Pilkington Glass Handbook 2010

Pilkington Glass Handbook 2010

www.pilkington.com

Pilkington Glass Handbook 2010

Solar Control

Thermal Insulation

Fire Protection

Noise Control

Safety / Security

Self-cleaning

Decoration

Glass Systems

Special Applications

Introduction

6 www.pilkington.com

Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.0 Solar Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151.1 Pilkington Arctic Blue™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201.2 Pilkington Eclipse Advantage™ . . . . . . . . . . . . . . . . . . . . . . . . 241.3 Pilkington EverGreen™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381.4 Pilkington Optifloat™ Tint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421.5 Pilkington Reflite™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 521.6 Pilkington Solar-E™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 621.7 Pilkington Suncool™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 652.0 Thermal Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 772.1 Pilkington Insulight™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 802.2 Pilkington K Glass™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 812.3 Pilkington Optifloat™ Clear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 842.4 Pilkington Optitherm™ S3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 872.5 Pilkington Optitherm™ S1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 873.0 Fire Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 913.1 Pilkington Pyrodur® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 963.2 Pilkington Pyroshield™ 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1003.3 Pilkington Pyrostop® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1044.0 Noise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1094.1 Pilkington Insulight™ Phon . . . . . . . . . . . . . . . . . . . . . . . . . . . 1244.2 Pilkington Optiphon™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1285.0 Safety/Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1335.1 Pilkington Optilam™ (safety glass) . . . . . . . . . . . . . . . . . . . . . 1395.2 Pilkington Optilam™ (security glass) . . . . . . . . . . . . . . . . . . . .1425.3 Pilkington Toughened Safety Glass . . . . . . . . . . . . . . . . . . . . . 1446.0 Self-cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1476.1 Pilkington Activ™ Blue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1506.2 Pilkington Activ™ Clear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1546.3 Pilkington Activ™ Neutral . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1576.4 Pilkington Activ Suncool™ . . . . . . . . . . . . . . . . . . . . . . . . . . . 1617.0 Decoration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1737.1 Pilkington Optifloat™ Opal . . . . . . . . . . . . . . . . . . . . . . . . . . . 1757.2 Pilkington Screen Printed Glass . . . . . . . . . . . . . . . . . . . . . . . 1777.3 Pilkington Spandrel Glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1797.4 Pilkington Texture Glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1818.0 Glass Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1838.1 Pilkington Planar™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1858.2 Pilkington Profilit™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1889.0 Special Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1919.1 Pilkington Mirropane™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1939.2 Pilkington Optiwhite™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19510.0 Contact list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

7Glass Handbook 2010

Introduction


General description

Our Glass Handbook has been designed to act as an easy-to-usereference document providing consistent information on our range ofproducts for buildings that are distributed in the Eastern Europeanregion.

We have tried to highlight the benefits of the product as well as thetechnical specification to the user.

Our publication is not exhaustive, and therefore does not cover allproducts, combinations and applications. For additional informationor advice, please get in contact with one of our Pilkingtonrepresentatives (see: Contact list at the end of the book).

Pilkington Glass Handbook 2010 covers the range of products as itapplied in January 2010.

Changes to the product range since then have not been incorporated.

Guide for Use:Our Glass Handbook is organised into benefit-led categories. Pleasenote that some of our products have multiple benefits and thereforemay be found in more than one benefit-led categories. If you aresearching for a solution to a particular problem, you may need toconsider products in more than one category.

Acknowledgements: We wish to acknowledge the assistance of all those people throughoutthe Pilkington employees who have contributed to the compilation ofour Glass Handbook.

Disclaimer:This publication provides only a general description of the product.Further, more detailed information may be obtained from your localPilkington Building Products supplier. It is the responsibility of theuser to ensure that the use of any product is appropriate for anyparticular application and that such use complies with all relevantlegislation, standards, code of practice and other requirements.


To the fullest extent permitted by applicable laws, Nippon SheetGlass Co. Ltd. and its subsidiary companies disclaim all liability forany error in or omission from this publication and for allconsequences of relying on it.


Visible Light

Light Transmittance (LT) is the proportion of visible light at nearnormal incidence that is transmitted through the glass.

Light Reflectance (LR) is the proportion of visible light at nearnormal incidence that is reflected by the glass.

Colour Rendering Index (Ra) expresses the colour renderingproperties of glass in transmission.

Performance data

OUTSIDE

Abs

orpt

ance

Reflectance

Solar energy

Directtransmittance

Re-radiated inwards

Re-radiatedoutwards

INSIDE

Figure 1.

Solar Energy

Glass transmits solar radiation from the sun by three mechanisms:reflection, transmission and absorption, which for solar controlpurposes are defined in terms of the following parameters:

Direct Solar Energy Transmittance (ET) is the proportion of solarradiation at near normal incidence that is transmitted directlythrough the glass.

Solar Energy Reflectance (ER) is the proportion of solar radiation atnear normal incidence that is reflected by the glass back into theathmosphere.

Solar Energy Absorptance (EA) is the proportion of solar radiationat near normal incidence that is absorbed by the glass.

Total Solar Energy Transmittance (TET), also known as g valueor solar factor, is the fraction of solar radiation at near normalincidence that is transferred through the glazing by all means. It iscomposed of the direct transmittance, also known as the short wavecomponent, and the part of the absorptance dissipated inwards bylongwave radiation and convection, known as the longwavecomponent. The proportions of the absorbed energy that aredissipated either inside or outside depend on the glazingconfiguration and the external exposure conditions.

Selectivity index S: light to heat ratio (S = LT / TET).

The solar control mechanism is illustrated in Figure 1.

The solar radiant heat admission properties of glasses can becompared by their shading coefficients.


The Total Shading Coefficient (TSC) is derived by comparing theproperties of any glass with a clear float glass having a total energytransmittance of 0,87 (such a glass would have a thickness of about3 mm). It comprises a short wavelength and long wavelengthshading coefficient.

The Short Wavelength Shading Coefficient (SWSC) is the directenergy transmittance divided by 0,87.

The Long Wavelength Shading Coefficient (LWSC) is the fractionof the absorptance released inwards, again divided by 0,87.

Thermal Insulation

Heat loss is quantified by the thermal transmittance or U-value (U).The U-value, usually expressed in S.I. units (Système Internationaled’Unités) of W/m²K, is the heat flux density through a givenstructure divided by the difference in environmental temperatures oneither side of the structure in steady state conditions. It is moregenerally referred to as the rate of loss of heat per square metre,under steady state conditions, for a temperature difference of oneKelvin (or degree Celsius) between the inner and outer environmentsseparated by the glass, or other building element.



Performance data for Pilkington products

Performance data given in the following tables has been determinedin accordance with European Standards (EN). Data for insulatingglass units have been based on 90% argon filling unless otherwisestated, construction based on a 16 mm argon filled cavity, except fortriple glazing where the cavities are 12 mm.

(Note: U-values should be rounded to the nearest 0,1 in accordancewith EN 673)

Light and solar energy technical data have been determined inaccordance with EN 410.

Unless otherwise stated all the calculations are based on 4 mm glassthickness.


Glass surfaces:

#: indicates the surface number (counting from the outside).

#1

cavity 1

insi

de

outs

ide

singleglazing

double insulating glass unit

cavity 2

#2 #3 #4 #5 #6

triple insulating glass unit

Figure 2.

1.0 Solar Control

Glass Handbook 2010 15

1


Solar control is a key issue in terms of energy saving. In hotconditions or for buildings with high internal loads, solar controlglass is used to minimise solar heat gain by rejecting solar radiationand help control glare. In more temperate conditions, it can be usedto balance solar control with high levels of natural light.

The topic of air-conditioning is a major concern to buildingdesigners and architects. Often, more energy is used to operate air-conditioning systems during the summer months than to heat thebuilding in winter thereby increasing the carbon footprint. It istherefore essential to improve the energy efficiency of buildingsduring the summer as well as in the winter.

Note: The potential for solar control glass to cut CO² emissions frombuildings has been analysed by the Dutch scientific institute TNO in astudy undertaken for Glass For Europe. The study concludes thatbetween 15 and 80 million tonnes of CO² emissions annually - roughlybetween 5% and 25% of the EU's target - could be saved by the year2020 by optimal use of solar control glass. Reference: “Impact of SolarControl Glazing on energy and CO² savings in Europe” (TNO Report2007-D-R0576/B by TNO Built Environment and Geosciences, Delft,The Netherlands). www.glassforeurope.com.

In cold weather conditions, our low-emissivity glass reduces heatloss while allowing high levels of valuable free solar gain to heatbuildings without significant loss in natural light. However, unlesscombined with solar control, in the summer it can becomeuncomfortably hot. The correct choice of glass can help to reduce thecapital outlay, running costs and associated carbon emissions of abuilding throughout the year.

Given the variety of building designs and climatic conditions and thedifferent levels of exposure to solar radiation during the year, thechoice of glass must be able to protect the inside of the building toensure maximum comfort, minimise energy consumption, guaranteesafety and, not least, provide the optical and aesthetic qualities thatsatisfy the designer.

Solar Control


We are continually innovating and developing products that satisfy thefull range of architectural requirements. Over the years we havedeveloped a wide range of energy management solutions for large andsmall glazed areas on all types of building.

Our innovative solar control products cover the whole range:

● from the highest performing, off-line coated, solar control andlow-emissivity products within the Pilkington Suncool™ range;

● through on-line environmental control glasses that combine good performance solar control with low-emissivity such as Pilkington Eclipse Advantage™;

● to low-performance, body-tinted glass in the Pilkington Optifloat™

Tint range;● and even to solar control glass combined with the revolutionary,

self-cleaning Pilkington Activ™.

In addition to the above ranges our solar control range can be usedwith many other Pilkington solutions, to achieve countless benefitsin terms of safety, functionality and cost-efficiency.

How it works? – Glass controls solar heat radiation by the threemechanisms: reflection, transmission and absorption, which for solarcontrol purposes are defined in terms of the following parameters:Direct transmittance – the proportion of solar radiation transmitteddirectly through the glass.Reflectance – the proportion of solar radiation reflected back intothe atmosphere.Absorptance – the proportion of solar radiation absorbed by theglass.Total transmittance (also known as g value or solar factor) – theproportion of solar radiation transmitted through the glass by allmeans. This is composed of the direct transmittance and that whichis absorbed by the glass and reradiated inwards.

Solar Control

1


Further parameters given to glass are as follows:

Light transmittance – the proportion of the light that is transmittedby the glass.Light reflectance – the proportion of the light that is reflected by theglass.Total shading coefficient – the ratio between total solar heattransmittance of the glass and that of a single 3 mm thick clear floatglass.Shortwave shading coefficient

Longwave shading coefficientLWSC = TSC – SWSC

Total shading coefficient

where:SWSC – shortwave shading coefficientLWSC – longwave shading coefficientTSC – total shading coefficientET – direct solar heat transmittanceTET – total solar heat transmittance

Example for Pilkington Optifloat™ Green 6 mm glass:

Selectivity index – the ratio between light transmittance and totalsolar heat transmittance

Solar Control

total solar heat transmittance of standard glass

total solar heat transmittance of standard glass


Solar Control

Insulating glass unit incorporating coated solar control glass.

OUTSIDE

Reflectance

Re-radiatedoutwards

INSIDE

Directtransmittance

Coating

Re-radiated inwardsAbs

orpt

ance

1

www.pilkington.com

Pilkington Arctic Blue™

20

Tinted solar control glass

DescriptionPilkington Arctic Blue™ is a unique blue body-tinted float glass forhigh daylight transmittance, good solar control and cool comfortablecolour without the use of a surface coating. Its solar controlproperties and colour densities vary with each available thickness sothat glass with properties appropriate to a particular application canbe chosen.

ApplicationsPil king ton Arctic Blue™ is ideally suited to climates or conditionswhere energy costs for cooling are a consideration. Pil king ton Arctic Blue™, can be specified as toughened orlaminated glass. Due to its high solar heat absorptance, Pilkington Arctic Blue™ may be subject to thermal breakage. Therisk of thermal breakage may occur on façades exposed to the sun,and in situations where high temperature differences across theglass pane are expected. In such cases it is advisable to specifytoughened or heat strengthened glass.

Features and benefits● Improved solar performance compared to traditional tinted float

glass, reducing the need for air-conditioning.● Solar control performance and colour density vary with the

thickness.● Cool and distinctive rich blue colour, offering possibility for

unique aesthetics and innovative design.● High visibility properties providing a crisp, undistorted, natural

view from the interior.● High daylight transmittance, reducing the need for artificial

lighting.● Low internal and external reflection. ● Low UV transmittance.● Additional thermal insulation performance when combined in an

insulating glass unit with a low-emissivity glass.● Easy to handle and process. ● No edge deletion required.● Can be laminated, toughened, bent and enamelled using standard

techniques.

Glass Handbook 2010


21

● Can be used in monolithic form or incorporated in insulating glassunits, and has an unlimited shelf-life.

● Available in 4 mm, 6 mm and 10 mm thicknesses.● Satisfies the requirements for harmonised European Norm EN 572.

1



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Notes:Maximum size: 6000 mm x 3210 mm.

glas

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4 6 8 10

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mm

mm

mm

➪ ➪ ➪ ➪

energy

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U value

colour rendering index

reflectance inside

reflectance outside

transmittance

total shading coefficient

longwave shading coeff.

shortwave shading coeff.

total transmittance

absorptance

reflectance

direct transmittance

UV transmittance

selectivity index

5,8

5,7

5,7

5,6

64 54 46 38

60 52 46 42

64 54 46 38

6 6 5 5

48 37 29 23

6 5 5 5

46 58 66 72

60 52 46 42

0,55

0,43

0,33

0,26

0,14

0,17

0,20

0,22

6 6 5 5

86 80 73 67

0,69

0,60

0,53

0,48

24 16 12 8

1,07

1,04

1,00

0,90

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

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ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

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V



Notes:1. Based on 6 mm glass thickness.2. Based on 16 mm argon filled (90%) cavities.

Pilk

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urat

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energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

48 44 42 48

40 35 27 33

48 44 42 48

8 9 10 8

31 27 22 26

6 7 10 8

63 66 68 66

40 35 27 33

0,36

0,31

0,25

0,30

0,10

0,09

0,06

0,08

13 15 21 12

78 80 78 79

0,46

0,40

0,31

0,38

13 10 9 8

1,20

1,26

1,56

1,45

perf

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code

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%%

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insulating glass unit,Pilkington Optitherm™ S1 #3

insulating glass unit,Pilkington K Glass™ #3

insulating glass unit,primary product outside


1


Pilkington Eclipse Advantage™

Pyrolytic on-line coated solar control glass with low-emissivityproperties

DescriptionA range of good solar control performance pyrolytic on-line coatedclear or body-tinted glass, with unique colour appearances, mediumlight transmittance, low, medium or high light reflectance and low-emissivity. The durable coating is applied pyrolytically during floatglass manufacture to a variety of substrates giving a range of coloursin reflection – Clear, Blue-Green, EverGreen, Bronze, Grey andArctic Blue. Pilkington Eclipse Ad van ta ge™ can be used in single glazingapplications provided that the coating faces the interior of thebuilding.

ApplicationsPilkington Eclipse Ad van ta ge™ provides a versatile and attractivesolution to all applications where a brightly coloured glass is needed,with enhanced solar control performance. It is equally suited for allapplications, from the small refurbishment to the largest prestigecommercial development, where a comparatively low cost but highimpact solution is demanded. Where a safety glass is required,Pilkington Eclipse Ad van ta ge™ can be specified as toughened orlaminated glass. Due to its high solar heat absorptance, Pilkington Eclipse Ad van ta ge™ may be subject to thermal breakage.The risk of thermal breakage may occur on façades exposed to thesun, and in situations where high temperature differences across theglass pane are expected. In such cases it is advisable to specifytoughened or heat strengthened glass.

Features and benefits● Good solar control performance with some low-emissivity

properties, reducing the need for heating and cooling the building.● Choice of colours, light transmittance, reflectivity and appearance,

providing increased design flexibility.● Less heat absorption compared to other tinted reflective glasses,

eliminating the need for heat treat vision glass under normalglazing conditions.

● Additional thermal insulation performance when combined in aninsulating glass unit with a low-emissivity glass.



● Durable pyrolytic on-line coating easy to handle and process,providing low cost solution with high visual impact.

● Can be laminated, toughened, bent and enamelled using standardtechniques

● Can be used in monolithic form or incorporated in insulating glassunits, and has unlimited shelf-life.

● No edge deletion required.● Harmonising spandrel panels available.● Available in 4 and 6 mm thicknesses.● Achieves Class B to EN 1096 for coated glass.

1




Pilk

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U value


reflectance inside

reflectance outside

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total transmittance

absorptance

reflectance


UV transmittance

selectivity index

3,8

3,8

67 67

64 62

67 67

26 26

61 58

20 19

19 23

64 62

0,70

0,67

0,04

0,04

29 29

97 98

0,74

0,71

27 25

1,05

1,08

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energy

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U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,6

1,3

1,0

1,1

60 56 53 59

55 53 37 46

60 56 53 59

29 31 33 28

47 42 31 39

22 23 34 28

31 35 35 33

55 53 37 46

0,54

0,48

0,36

0,45

0,09

0,13

0,07

0,08

31 30 35 30

99 98 98 98

0,63

0,61

0,43

0,53

19 15 14 12

1,09

1,06

1,43

1,28

perf

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1




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reflectance outside

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total transmittance

absorptance

reflectance


UV transmittance

selectivity index

3,8

3,8

47 39

43 36

47 39

15 12

33 25

11 8

56 67

43 36

0,38

0,29

0,11

0,12

27 27

90 83

0,49

0,41

11 8

1,09

1,08

perf

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code

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gyS,

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%%

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W/m

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%%

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ER

EA

TE

TSS

CL

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SCLT

LR

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Ri

Ra

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4 6

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mm

➪ ➪




Pilk

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s co

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ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,6

1,3

1,0

1,1

35 33 31 35

28 26 21 24

35 33 31 35

13 14 15 13

21 19 16 19

9 9 11 9

70 72 73 72

28 26 21 24

0,24

0,22

0,18

0,22

0,08

0,08

0,06

0,06

30 29 34 29

81 82 81 81

0,32

0,30

0,24

0,28

6 5 5 4

1,25

1,27

1,48

1,46

perf

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code

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gyS,

UV

%%

%–

W/m

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%%

%%

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1




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U value


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reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

3,8

3,8

60 57

51 45

60 57

21 19

44 37

14 12

42 51

51 45

0,51

0,43

0,08

0,09

27 27

96 93

0,59

0,52

16 12

1,18

1,27

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Pilk

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Gre

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energy

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U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,6

1,3

1,0

1,1

51 47 45 50

38 36 28 33

51 47 45 50

21 23 24 21

31 28 23 27

13 13 16 14

56 59 61 59

38 36 28 33

0,36

0,32

0,26

0,31

0,08

0,09

0,06

0,07

29 29 34 29

91 92 90 91

0,44

0,41

0,32

0,38

10 8 7 6

1,34

1,31

1,61

1,52

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

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TSS

CL

SCT

SCLT

LR

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➪

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1




Pilk

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glas

s

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

3,8

3,8

46 38

50 44

46 38

15 11

43 34

13 10

44 56

50 44

0,49

0,39

0,08

0,12

27 27

92 90

0,57

0,51

12 8

0,92

0,86

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

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ULT

g

SU

V


4 6

mm

mm

➪ ➪




Pilk

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on E

clip

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tage

™B

ronz

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glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,6

1,3

1,0

1,1

34 32 30 34

35 34 24 29

34 32 30 34

13 13 14 12

28 25 18 23

11 11 15 13

61 64 67 64

35 34 24 29

0,32

0,29

0,21

0,26

0,08

0,10

0,07

0,07

29 29 34 29

92 90 91 91

0,40

0,39

0,28

0,33

7 5 5 5

0,97

0,94

1,25

1,17

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

SU

V

IIII

IIII

➪

➪

➪

➪





1




Pilk

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on E

clip

se A

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™E

verG

reen

glas

s

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

3,8

3,8

54 48

42 36

54 48

18 16

33 25

11 9

56 66

42 36

0,38

0,29

0,10

0,12

27 27

94 90

0,48

0,41

8 5

1,29

1,33

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

SU

V


4 6

mm

mm

➪ ➪




Pilk

ingt

on E

clip

se A

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tage

™E

verG

reen

glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,6

1,3

1,0

1,1

43 40 38 43

28 26 22 25

43 40 38 43

17 18 19 17

22 19 17 19

9 10 11 10

69 71 72 71

28 26 22 25

0,25

0,22

0,20

0,22

0,07

0,08

0,05

0,07

30 29 34 29

88 89 87 88

0,32

0,30

0,25

0,29

4 3 3 3

1,54

1,54

1,73

1,72

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

SU

V

IIII

IIII

➪

➪

➪

➪





1




Pilk

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on E

clip

se A

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tage

™G

rey

glas

s

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

3,8

3,8

41 32

47 40

41 32

13 10

38 29

11 9

51 62

47 40

0,44

0,33

0,1

0,13

27 27

97 97

0,54

0,46

11 8

0,87

0,8

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

SU

V


4 6

mm

mm

➪ ➪




Pilk

ingt

on E

clip

se A

dvan

tage

™G

rey

glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,6

1,3

1,0

1,1

29 27 26 29

31 29 21 25

29 27 26 29

11 11 11 10

24 21 16 19

9 9 12 11

67 70 72 70

31 29 21 25

0,28

0,24

0,18

0,22

0,08

0,09

0,06

0,07

29 29 34 29

96 96 95 96

0,36

0,33

0,24

0,29

6 5 5 4

0,94

0,93

1,24

1,16

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

SU

V

IIII

IIII

➪

➪

➪

➪





1


Pilkington EverGreen™

Tinted solar control glass

DescriptionPilkington EverGreen™ establishes new standards of quality,aesthetics and performance for green body-tinted glass. Pilkington EverGreen™ glass offers good solar controlcharacteristics and responds to the demand for high lighttransmittance without the use of a surface coating. Its solar controlproperties and colour densities vary with each available thicknessso that glass with properties appropriate to a particular applicationcan be chosen.

ApplicationsPil king ton EverGreen™ is ideally suited to climates or conditionswhere energy costs for cooling are a consideration. Pil king ton EverGreen™ absorbs much of the sun’s heat and UV rayswhile still letting through a high level of daylight. Where a safetyglass is required, Pilkington EverGreen™ can be specified astoughened or laminated glass.Due to its high solar heat absorptance, Pilkington EverGreen™ maybe subject to thermal breakage. The risk of thermal breakage mayoccur on façades exposed to the sun, and in situations where hightemperature differences across the glass pane are expected. In suchcases it is advisable to specify toughened or heat strengthened glass.

Features and benefits● Improved solar control performance compared to traditional tinted

float glass, reducing the need for air-conditioning.● Solar control performance and colour density vary with the

thickness.● Refreshing soft green colour, offering a crisp, clean view of the

outside.● High daylight transmittance, reducing the need for artificial

lighting.● Low internal and external reflection.● Low UV transmittance.● Additional thermal insulation performance when combined in an

insulating glass unit with a low-emissivity glass.



● Easy to handle and process. ● Can be laminated, toughened, bent and enamelled using standard

techniques. ● Can be used in monolithic form or incorporated in insulating glass

units, and has an unlimited shelf-life. ● Available in 6 mm thickness.● Satisfies the requirements for harmonised European Norm EN 572.

1



Pilk

ingt

on E

verG

reen

™


glas

s

I monolithic glass

6m

m➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,7

6651

666

365

5951

0,41

0,18

687

0,59

111,

29

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV



Pilk

ingt

on E

verG

reen

™


glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

58 54 51 58

39 35 28 33

58 54 51 58

10 11 13 9

30 27 22 27

7 7 9 7

63 66 69 66

39 35 28 33

0,34

0,31

0,25

0,31

0,11

0,09

0,07

0,07

13 15 22 13

85 87 85 85

0,45

0,40

0,32

0,38

9 7 6 5

1,49

1,54

1,82

1,76

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

IIII

IIII

➪

➪

➪

➪





1


Pilkington Optifloat™ Tint

Body tinted solar control glass

DescriptionA range of low solar control performance uncoated body-tintedglass, with low light reflection and high energy absorption.

Please note that in all body-tinted glass products, the properties andcolour density vary with the thickness; this needs to be consideredwhen designing façades where colour uniformity is aestheticallyimportant. All of the body-tinted glasses can be toughened orlaminated and/or incorporated into insulating glass units.

ApplicationsPil king ton Optifloat™ Tint glass products can be used wherever a coloured glass without surface coating is required for visual appealor where a degree of solar control performance is necessary toimprove or control the internal environment of the building. Wherea safety glass is required, they can be specified as toughened orlaminated glass. Due to its high solar heat absorptance, Pilkington Optifloat™ Tintmay be subject to thermal breakage. The risk of thermal breakagemay occur on façades exposed to the sun, and in situations wherehigh temperature differences across the glass pane are expected. Insuch cases it is advisable to specify toughened or heat strengthenedglass.Designed to improve conditions within buildings by reducing glare,solar radiation and heat transfer into the building, they also reduceUV radiation and offer improved privacy, when compared with clearglass.

Features and benefits● Solar control performance, reducing the need for air-conditioning.● Solar control performance and colour density vary with the

thickness.● Available in a choice of colours (Green, Blue-Green, Bronze and

Grey), offering flexibility for original and innovative architecturaldesign even where low reflection is required.

● Subdued colour range, complementing other building materialsand natural surroundings.



● Low to high light transmission.● Low internal and external reflection, reducing uncomfortable glare

from the sun, and offering improved privacy compared to clearglass.

● Can reduce UV radiation.● Additional thermal insulation performance when combined in an

insulating glass unit with a low-emissivity glass.● Can be laminated, toughened, bent and enamelled using standard

techniques.● Can be used in monolithic form or incorporated in insulating glass

units, and has unlimited shelf-life.● Available in a wide range of sizes from 3 mm to 10 mm (thickness

depending on the colour). ● Satisfies the requirements for harmonised European Norm EN 572.

1



Pilk

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loat

™B

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glas

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I monolithic glass

6 8 10

mm

mm

mm

➪ ➪ ➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,7

5,7

5,6

75 71 66

62 57 52

75 71 66

7 7 6

50 43 38

6 6 5

44 51 57

62 57 52

0,57

0,49

0,44

0,14

0,17

0,16

7 7 6

90 87 84

0,71

0,66

0,60

26 20 16

1,21

1,25

1,27

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV



Pilk

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on O

ptif

loat

™B

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Gre

en


glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

67 62 58 66

51 46 35 43

67 62 58 66

12 14 16 10

42 37 29 36

8 9 15 10

50 54 56 54

51 46 35 43

0,48

0,43

0,33

0,41

0,11

0,10

0,07

0,08

14 15 22 13

88 90 88 89

0,59

0,53

0,40

0,49

20 16 14 13

1,31

1,35

1,66

1,53

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

LTL

Ro

LR

iR

aU

LTg

SU

V

IIII

IIII

➪

➪

➪

➪





%%

%%

––

–

ET

ER

EA

TE

TSS

CL

SCT

SC

1



Pilk

ingt

on O

ptif

loat

™B

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e


glas

s

I

3 4 5 6 8 10

mm

mm

mm

mm

mm

mm

➪ ➪ ➪ ➪ ➪ ➪

5,8

5,8

5,8

5,7

5,7

5,6

68 61 55 50 40 33

73 68 64 60 53 47

68 61 55 50 40 33

7 6 6 6 5 5

66 59 53 47 38 31

6 6 6 6 5 5

28 35 41 47 57 64

73 68 64 60 53 47

0,76

0,68

0,61

0,54

0,44

0,36

0,08

0,10

0,13

0,15

0,17

0,18

7 6 6 6 5 5

96 95 94 92 90 87

0,84

0,78

0,74

0,69

0,61

0,54

28 22 17 14 9 6

0,93

0,90

0,86

0,83

0,75

0,70

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

monolithic glass

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity indexSU

V



Pilk

ingt

on O

ptif

loat

™B

ronz

e


glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

44 41 38 44

48 43 29 37

44 41 38 44

8 8 10 7

38 33 23 29

7 8 16 12

55 59 61 59

48 43 29 37

0,44

0,38

0,26

0,33

0,11

0,11

0,07

0,10

12 14 21 12

94 92 93 93

0,55

0,49

0,33

0,43

11 9 7 7

0,92

0,95

1,31

1,19

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

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UV

IIII

IIII

➪

➪

➪

➪





1



Pilk

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on O

ptif

loat

™G

reen


glas

s

I monolithic glass

4 5 6 8 10

mm

mm

mm

mm

mm

➪ ➪ ➪ ➪ ➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,8

5,8

5,7

5,7

5,6

80 78 75 71 67

66 62 59 54 51

80 78 75 71 67

7 7 7 7 7

56 51 46 40 35

6 6 6 5 5

38 43 48 55 60

66 62 59 54 51

0,64

0,59

0,53

0,46

0,40

0,12

0,12

0,15

0,16

0,19

7 7 7 7 7

93 92 90 87 85

0,76

0,71

0,68

0,62

0,59

27 23 19 15 12

1,21

1,26

1,27

1,31

1,31

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV



Pilk

ingt

on O

ptif

loat

™G

reen


glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

67 61 58 66

48 43 34 40

67 61 58 66

12 14 16 10

39 34 28 34

8 9 13 9

53 57 59 57

48 43 34 40

0,45

0,39

0,32

0,39

0,10

0,10

0,07

0,07

14 15 22 13

88 90 88 89

0,55

0,49

0,39

0,46

16 12 11 10

1,4

1,42

1,71

1,65

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

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Ri

Ra

ULT

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UV

IIII

IIII

➪

➪

➪

➪





%%

%%

––

–

1



Pilk

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on O

ptif

loat

™G

rey


glas

s

I

3 4 5 6 8 10

mm

mm

mm

mm

mm

mm

➪ ➪ ➪ ➪ ➪ ➪

5,8

5,8

5,8

5,7

5,7

5,6

65 57 50 44 35 27

72 67 62 58 51 46

65 57 50 44 35 27

6 6 6 5 5 5

65 57 51 45 36 28

6 6 5 5 5 5

29 37 44 50 59 67

72 67 62 58 51 46

0,75

0,66

0,59

0,52

0,41

0,32

0,08

0,11

0,12

0,15

0,18

0,21

6 6 6 5 5 5

98 98 97 96 95 93

0,83

0,77

0,71

0,67

0,59

0,53

30 24 19 16 11 8

0,90

0,85

0,81

0,76

0,69

0,59

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

monolithic glass

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity indexSU

V



Pilk

ingt

on O

ptif

loat

™G

rey


glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

39 36 34 39

46 42 28 35

39 36 34 39

7 8 8 6

36 31 22 28

7 8 15 12

57 61 63 60

46 42 28 35

0,41

0,36

0,25

0,32

0,12

0,12

0,07

0,08

12 14 21 12

94 96 93 95

0,53

0,48

0,32

0,40

13 10 9 8

0,85

0,86

1,21

1,11

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

IIII

IIII

➪

➪

➪

➪





%%

%%

––

–

1


Pilkington Reflite™

Pyrolytic on-line coated reflective solar control glass

DescriptionA range of medium solar control performance on-line coated clear orbody-tinted glass, with low light transmittance and medium lightreflectance.Pilkington Reflite™ may be used in single glazing applications (withcoating on surface #2), as well as in insulated glass units. They canalso be laminated, heat strengthened, toughened and curved (or bent)using standard techniques. Pilkington Reflite™ can be used in a wide range of residential andcommercial applications.

Due to their high solar heat absorptance, Pilkington Reflite™ may besubject to thermal breakage. The risk of thermal breakage may occuron façades exposed to the sun, and in situations where hightemperature differences across the glass pane are expected. In suchcases it is advisable to specify toughened or heat strengthened glass.

Features and benefits● Medium solar control performance, reducing the need for air-

conditioning.● Attractive colours (Clear, Arctic Blue, Emerald Green and Bronze)

providing a solution for a wide variety of design requirements.● Colour stability whether toughened or annealed.● Medium reflectivity providing privacy whilst still allowing a clear

view to the outside.● Durable pyrolytic on-line coating easy to handle and process,

providing low cost solution with high visual impact.● Can be laminated, toughened, bent and enamelled using standard


units, and has unlimited shelf-life.● Additional thermal insulation performance when combined in an

insulating glass unit with a low-emissivity glass.

Glass Handbook 2010


53

● All colours available in 4 mm, 5 mm, 6 mm and 8 mm.● Available in sizes 3210 x 2250 mm and 3048 x 2134 mm.*

* Other sizes may also be available against specific orders in the future.

1



Pilk

ingt

on R

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e™ A

rctic

Blu

e


glas

s


4 6

mm

mm

➪ ➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,8

5,7

20 16

37 32

20 16

27 21

20 13

17 13

63 74

37 32

0,23

0,15

0,20

0,22

55 56

92 93

0,43

0,37

2 1

0,54

0,50

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

%%

%%

––

–

Pilkington

Pilk

ingt

on R

eflit

e™ A

rctic

Blu

e

glas

s co

nfig

urat

ion

IIII

II

➪

➪


II ➪




energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

15 14 13 14

21 16 12 13

15 14 13 14

21 21 21 21

11 9 7 8

13 13 14 14

76 78 79 78

21 16 12 13

0,13

0,10

0,08

0,09

0,11

0,08

0,06

0,06

54 50 53 52

91 91 91 91

0,24

0,18

0,14

0,15

1 1 1 1

0,71

0,88

1,08

1,08

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

SU

V


➪

Glass Handbook 2010


55

1

Pilk

ingt

on R

eflit

e™ C

lear


glas

s


4 6

mm

mm

➪ ➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,8

5,7

32 31

49 48

32 31

48 47

43 40

34 31

23 29

49 48

0,49

0,46

0,07

0,09

53 53

79 80

0,56

0,55

6 5

0,65

0,65

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

%%

%%

––

–



Pilkington

Pilk

ingt

on R

eflit

e™ C

lear

glas

s co

nfig

urat

ion

IIII

II

➪

➪

➪


II ➪




energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

29 27 26 28

40 37 23 29

29 27 26 28

47 48 48 47

32 27 18 23

33 34 45 41

35 39 37 36

40 37 23 29

0,37

0,31

0,21

0,26

0,09

0,12

0,05

0,07

51 48 52 50

82 81 82 82

0,46

0,43

0,26

0,33

4 3 3 3

0,73

0,73

1,13

0,97

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

SU

V


Glass Handbook 2010


57

1



Pilk

ingt

on R

eflit

e™ B

ronz

e


glas

s


4 6

mm

mm

➪ ➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,8

5,7

22 18

45 42

22 18

25 18

33 27

19 14

48 59

45 42

0,38

0,31

0,14

0,17

53 53

73 71

0,52

0,48

2 2

0,49

0,43

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

%%

%%

––

–

Pilkington

Glass Handbook 2010


59

Pilk

ingt

on R

eflit

e™ B

ronz

e

glas

s co

nfig

urat

ion

IIII

II

➪

➪

➪


II ➪




energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

16 15 15 16

31 27 16 20

16 15 15 16

18 18 18 18

21 17 11 14

14 15 21 19

65 68 68 67

31 27 16 20

0,24

0,20

0,13

0,16

0,12

0,11

0,05

0,07

51 48 52 50

73 72 73 73

0,36

0,31

0,18

0,23

1 1 1 1

0,52

0,56

0,94

0,80

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

SU

V


1



Pilk

ingt

on R

eflit

e™ E

mer

ald

Gre

en


glas

s


4 6

mm

mm

➪ ➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

24 20

35 31

24 20

26 21

16 11

13 11

71 78

35 31

0,18

0,13

0,22

0,23

49 49

90 90

0,40

0,36

2 1

0,69

0,65

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

C

LSC

TSC

LTL

Ro

LR

iR

aU

LTg

SU

V

%%

%%

––

–

5,8

5,7

Glass Handbook 2010


61

Pilk

ingt

on R

eflit

e™ E

mer

ald

Gre

en

glas

s co

nfig

urat

ion

IIII

II

➪

➪

➪


II ➪




energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

19 18 17 18

20 15 12 13

19 18 17 18

21 21 21 21

10 8 7 8

11 11 11 11

79 81 82 81

20 15 12 13

0,11

0,09

0,08

0,09

0,12

0,08

0,06

0,06

48 45 49 47

89 89 88 89

0,23

0,17

0,14

0,15

1 1 1 1

0,95

1,20

1,42

1,38

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

C

LSC

TSC

LTL

Ro

LR

iR

aU

LT

gS

UV


1


Pilkington Solar-E™

Pyrolytic on-line coated solar control glass with low-emissivityproperties

DescriptionA good solar control performance pyrolytic on-line coated glass withneutral appearance, medium light transmittance, low lightreflectance and low-emissivity. Used in insulating glass unit theproduct provides colour-neutral aesthetics and reduces externalglare.

ApplicationsPil king ton So lar-E™ provides attractive solution to variousapplications where high light transmittance with enhanced solarcontrol performance is required. Thanks to low exterior lightreflectance the product is widely used for modern glass façadeswhere high reflectance is prohibited or undesirable.Pil king ton So lar-E™ can be toughened or laminated where a safetyglass is required. Toughened or heat strengthened glass should also bespecified in applications where Pilkington So lar-E™ may be at risk ofthermal breakage.

Features and benefits● Good solar control performance with some low-emissivity,

reducing the need for heating and cooling the building.● Medium light transmittance and low light reflectance for

undistorted, natural views.● Additional thermal insulation performance when combined in an

insulating glass unit with a low-emissivity glass.● Durable pyrolytic on-line coating easy to handle and process,

providing low cost solution with high visual impact.● Can be laminated, toughened, bent and enamelled using standard


units, and has unlimited shelf-life.● No edge deletion required.● Available in 6 and 8 mm thickness.● Achieves Class B to EN 1096 for coated glass.



Pilk

ingt

on S

olar

-E™

Notes:1. Coating on surface 2 (facing inside).2. Maximum size: 5180 mm x 3300 mm.

glas

s


6 8

mm

mm

➪ ➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

3,6

3,6

60 59

53 52

60 59

8 8

46 44

8 7

46 49

53 52

0,53

0,51

0,08

0,09

10 9

94 93

0,61

0,60

36 33

1,13

1,13

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

%%

%%

––

–

1



Pilk

ingt

on S

olar

-E™

glas

s co

nfig

urat

ion

IIII

II

➪

➪

➪


II ➪




energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,5

1,3

1,0

1,1

53 49 46 53

45 43 32 40

53 49 46 53

11 12 14 10

38 34 26 33

9 10 15 11

53 56 59 56

45 43 32 40

0,44

0,39

0,30

0,38

0,08

0,10

0,07

0,08

16 17 23 15

92 93 91 92

0,52

0,49

0,37

0,46

26 20 18 16

1,18

1,14

1,44

1,33

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

g

SU

V


Superior solar control performance glass with outstandingthermal insulation

DescriptionA range of superior solar control performance off-line coated glass,with high light transmittance, low, medium or high light reflectanceand outstanding thermal insulation.The wide range of products is available in clear or neutralappearance and in two distinctive colours, blue and silver.

Product Appearance Level Appearance in reflection of in transmission

(external reflection† (internalview) view)

Pilkington Suncool™ 70/40 neutral low neutral

Pilkington Suncool™ 70/35 neutral/blue medium neutral

Pilkington Suncool™ 66/33 neutral medium neutral


Pilkington Suncool™ Blue 50/27 blue medium neutral

Pilkington Suncool™ Silver 50/30 silver high neutral



The appearance of the Pilkington Suncool™ product range

† Level of reflection: low < 15%, medium 15-25%, high > 25%.

IGU construction(6 mm external pane – 16 mm – 4 mm

Pilkington Optifloat™ Clear)


Pilkington Suncool™

1

For additional thermal insulation, Pilkington Suncool™ insulating glassunits can be filled with an inert gas such as argon.

We have has developed a range of Pilkington Spandrel Glassproducts for use with Pilkington Suncool™ solar control glass, toensure continuity in the aesthetic design of façades. PilkingtonSpandrel Glass Coated products are available in thicknesses 6 mm, 8 mm and 10 mm in toughened form.




The Pilkington Spandrel Glass Coated product range and appearance

Appearance Level LightProduct in of reflection

reflection reflection † [%]

Pilkington Spandrel Glass Coated E200 neutral medium 19

Pilkington Spandrel Glass Coated E140 neutral/blue high 28

Pilkington Spandrel Glass Coated E120 silver high 35

Product Spandrel offering

Pilkington Suncool™ 70/40 *

Pilkington Suncool™ 70/35 (E200)**

Pilkington Suncool™ 66/33 (E200)**

Pilkington Suncool™ 50/25 E200

Pilkington Suncool™ Blue 50/27 –

Pilkington Suncool™ Silver 50/30 E120

Pilkington Suncool™ 40/22 (E140)***

Pilkington Suncool™ 30/17 E140



The full Pilkington Suncool™ range and recommended off-line coatedspandrels are shown below.

* Due to its low reflection, the appearance of Pilkington Suncool™ 70/40 is dominated by

the transmission. However Pilkington Spandrel Glass Coated E200 can be offered as a

spandrel solution for Pilkington Suncool™ 70/40 when the colour match is not expected to

be perfect.

** Pilkington Spandrel Glass Coated E200 is the recommended solution for

Pilkington Suncool™ 70/35 and Pilkington Suncool™ 66/33. Whilst not a perfect colour

match this is the most harmonising offering in comparison to an enamelled spandrel

solution.

*** Pilkington Spandrel Glass Coated E140 is the recommended solution for

Pilkington Suncool™ 40/22. Whilst not a perfect colour match this is the most

harmonising offering in comparison to an enamelled spandrel solution.

As with all spandrel constructions, it is strongly advised that the customer conducts a

visual ‘mock-up’ test to ensure an acceptable match.

1

www.pilkington.com


68

ApplicationsPilkington Suncool™ can only be used in insulating glass units.Designed to achieve optimum performance in large glazed areas,Pilkington Suncool™ products are suitable for commercial andresidential applications that demand high light transmissionproperties. The high selectivity index (light-to-heat ratio) combinedwith outstanding thermal insulation makes the range ideally suitedfor large areas of glazing, where the need is to control solar gainswithout significantly reducing the internal light levels. Where a safety glass is required, Pilkington Suncool™ can bespecified as toughened or laminated glass. Toughened or heatstrengthened glass should also be specified in applications wherePilkington Suncool™ may be at risk of thermal breakage.

Features and benefits● Superior solar control performance with the highest level of

thermal insulation (U-value down to 1,0 W/m2K in a doubleinsulating glass unit with 90% argon filled), reducing the need forcooling and heating the building.

● High selectivity index (light transmittance divided by total solarheat transmittance), offering low solar gains without significantlyreducing the internal light levels.

● Wide choice of colours and appearances, providing solutions forthe most demanding designs.

● Range of light transmission and reflection.● Can only be used in insulating glass units; argon gas filling can be

used to achieve higher thermal insulation.● Can be enhanced when combined with other Pilkington products

to provide additional benefits such as self-cleaning, noise control,safety or security properties.

● Can also be combined with Pilkington Optiwhite™ for improvedlight and solar transmittance properties.

● Harmonising spandrel panels available, allowing freedom indesign of complete glass façades.

● Available in 6 mm, 8 mm and 10 mm thickness in annealed andtoughened form (4 mm available in some products, 12 mm may beavailable on special request).

Glass Handbook 2010


69

Pilk

ingt

on S

unco

ol™

70/4

0

Notes:1. Based on 6 mm glass thickness.2. Based on 16 mm (double glazed units) and 12 mm (triple glazed units) argon filled (90%) cavities.3. The primary product shall only be used in insulating glass units.4. Maximum size of primary monolithic product is 6000 mm x 3210 mm.

glas

s co

nfig

urat

ion

IIII

IIII

I

➪

➪

➪

➪

triple insulating glass unit,Pilkington Optitherm™ S3 #5




energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,1 – – –

70 – – –

43 – – –

70 – – –

10 – – –

38 – – –

28 – – –

34 – – –

43 – – –

0,44 – – –

0,05 – – –

11 – – –

95 – – –

0,49 – – –

17 – – –

1,63 – – –

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SC

TSC

LTL

Ro

LR

iR

aU

LTg

SU

V

1




Pilk

ingt

on S

unco

ol™

70/3

5

glas

s co

nfig

urat

ion

IIII

IIII

I

➪

➪

➪

➪





energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,0 – – –

69 – – –

37 – – –

69 – – –

16 – – –

34 – – –

35 – – –

31 – – –

37 – – –

0,39 – – –

0,04 – – –

16 – – –

96 – – –

0,43 – – –

10 – – –

1,86 – – –

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

C

LSC

TSC

LTL

Ro

LR

iR

aU

LTg

SU

V

%%

%%

––

–


Pilk

ingt

on S

unco

ol™

66/3

3


glas

s co

nfig

urat

ion

IIII

IIII

I

➪

➪

➪

➪





energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,0 – – –

65 – – –

36 – – –

65 – – –

16 – – –

32 – – –

35 – – –

33 – – –

36 – – –

0,37 – – –

0,04 – – –

18 – – –

93 – – –

0,41 – – –

10 – – –

1,81 – – –

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

%%

%%

––

–

1




Pilk

ingt

on S

unco

ol™

50/2

5


glas

s co

nfig

urat

ion

IIII

IIII

I

➪

➪

➪

➪





energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

49 – – –

27 – – –

49 – – –

18 – – –

24 – – –

33 – – –

43 – – –

27 – – –

0,28 – – –

0,03 – – –

19 – – –

91 – – –

0,31 – – –

7 – – –

1,81 – – –

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

%%

%%

––

–

1,0 – – –



Pilk

ingt

on S

unco

ol™

Silv

er 5

0/30


glas

s co

nfig

urat

ion

IIII

IIII

I

➪

➪

➪

➪





energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,0 – – –

49 – – –

31 – – –

49 – – –

39 – – –

28 – – –

42 – – –

30 – – –

31 – – –

0,32 – – –

0,04 – – –

32 – – –

93 – – –

0,36 – – –

16 – – –

1,58 – – –

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

%%

%%

––

–

1



Pilk

ingt

on S

unco

ol™

Blu

e 50

/27


glas

s co

nfig

urat

ion

IIII

IIII

I

➪

➪

➪

➪





energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,1 – – –

50 – – –

28 – – –

50 – – –

19 – – –

25 – – –

35 – – –

40 – – –

28 – – –

0,29 – – –

0,03 – – –

19 – – –

94 – – –

0,32 – – –

6 – – –

1,79 – – –

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

%%

%%

––

–



Pilk

ingt

on S

unco

ol™

40/2

2


glas

s co

nfig

urat

ion

IIII

IIII

I

➪

➪

➪

➪





energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,1 – – –

39 – – –

23 – – –

39 – – –

20 – – –

19 – – –

35 – – –

46 – – –

23 – – –

0,22 – – –

0,04 – – –

22 – – –

90 – – –

0,26 – – –

7 – – –

1,7 – – –

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

%%

%%

––

–

1



Pilk

ingt

on S

unco

ol™

30/1

7


glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity indexpe

rfor

man

ceco

delig

hten

ergy

S, U

V

%%

%–

W/m

2 K%

%–

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

1,1 – – –

30 – – –

19 – – –

30 – – –

26 – – –

15 – – –

37 – – –

48 – – –

19 – – –

0,17 – – –

0,05 – – –

16 – – –

87 – – –

0,22 – – –

6 – – –

1,58 – – –

%%

%%

––

–II

IIII

III

➪

➪

➪

➪





2

Glass Handbook 2010

2.0 Thermal Insulation

77

Low-emissivity

Advances in low-emissivity (low-e) glass technology have madewindows an essential contributor to energy conservation andcomfort, minimising heat loss and internal condensation.The measure of heat loss is usually expressed in terms of U-value,which is the rate of heat loss in Watts per square metre per degreeKelvin temperature difference between inside and outside (expressedas W/m²K). The lower the U-value, the better the insulation of theproduct.

How it works – Effectively, low-emissivity glass will reflectenergy back into a building, to achieve much lower heat loss thanordinary float glass. Additionally, different types of low-emissivityglass allow different amounts of passive solar heat gain whichhelps reduce heating requirements and costs, especially in coldermonths.

Thermal Insulation


Insulating glass unit incorporating low-e glass.

OUTSIDE INSIDE

CoatingLongwaveradiation

Thermal Insulation


Solar energy enters the building mainly as shortwave radiation but,once inside, it is reflected back by objects towards the glass as long-wave radiation. Low-emissivity glass has a coating that allows thetransmission of the sun’s shortwave radiation at a much higher ratethan longwave radiation (from the heaters, electrical equipment andoccupants in the room), providing an effective barrier to heat loss.

Note: The potential for low-e glass (double and triple glazing) to cut CO²emissions from new and existing buildings has been analysed by theDutch scientific institute TNO in a study undertaken for Glass ForEurope. Up to 90 million tonnes of CO² emissions could be savedannually by 2020 if all Europe’s buildings (existing and new residentialand non-residential buildings) were fitted with double-glazed low-einsulating glass units. An additional 7 million tonnes of CO² emissionscould be cut thanks to the greater use of triple-glazed low-e insulatingglass units for new buildings, where appropriate. Reference: “Potentialimpact of Low-Emissivity Glazing on energy and CO² savings inEurope” (TNO Report 2008-DR1240/B by TNO Built Environmentand Geosciences, Delft, The Netherlands). www.glassforeurope.com.

To maximise energy efficiency all year round, often the ideal glazingsolution balances both solar control and low-emissivity performance.Our products offer two ways in which this can be achieved:

● by applying a single product which provides both solar control andlow-emissivity in an insulating glass unit,

● by using both a solar control product and a separate low-emissivityproduct within an insulating glass unit.

Our low-emissivity range covers all levels of requirements:

● from on-line products such as Pilkington K Glass™,● to extremely low U-value off-line solutions in the

Pilkington Optitherm™ range,● through to Pilkington Suncool™ Pilkington Solar-E™ and Pilkington

Eclipse Advantage™ which provide both low-emissivity and solarcontrol properties in a single product.

2


High quality insulating glass units

DescriptionPilkington insulating glass units called Pilkington In su li ght™ orPilkington In su li ght™ Triple are technically advanced, dual sealed,double or triple glazed units.They are designed to accommodate a variety of cavity widths. Thedual seal design is able to withstand a wide temperature range andcan be supplied with edge seals designed to withstand UV exposureas well as moisture vapour permeation.

ApplicationsPilkington In su li ght™ offers a whole family of different variants,each one utilising a product from the specialist Pilkington glassrange, to meet a particular requirement such as: safety, security,thermal insulation, solar control, noise control etc.Below you can find our complete range of Pilkington In su li ght™

products, which take their names from the main benefit provided bythe glazing.● Pil king ton In su li ght Activ™ – self-cleaning units● Pil king ton In su li ght™ Sun – solar control units● Pil king ton In su li ght™ Phon – noise control units● Pil king ton In su li ght™ Pro tect – safety, security and fire protective

units● Pil king ton In su li ght™ Décor – decorative units● Pil king ton In su li ght™ Therm – thermal insulation units

Features and benefits● Wide range of technical performance options.● Range of cavity widths from 6 to 22 mm (including traditional and

warm edge spacers).● Seal design is able to withstand a wide temperature range.● Can be delivered with UV resistant seals for use in structural

glazing.● Standard 5 years warranty.● Tested to European Standards EN 1279-2 and EN 1279-3 and

satisfies the requirements of the product standard EN 1279-5.● Available with Georgian bars.● Maximum size 3000 x 5000 mm.

Pilkington Insulight™


Pilkington K Glass™

Pyrolytic on-line coated low-emissivity glass

DescriptionPil king ton K Glass™ is a durable, pyrolytic on-line coated, neutralcoloured, low-emissivity glass, with high solar gain, which providesimproved thermal insulation to multiple-glazed windows so reducingcondensation and maximising comfort. A specially formulated,permanent, transparent low-emissivity coating is applied pyrolyticallyto one surface of clear float glass during glass manufacture. The coatingallows the ‘free’ shortwave energy from the sun to enter the building,but acts as a barrier to the escape of expensive longwave energy frominternal heat sources.

ApplicationsExtremely versatile, Pilkington K Glass™ is recommended for newbuildings and renovations/modernisations where high solar heat gainis beneficial.

Features and benefits● Substantially improved thermal insulation compared to

conventional double glazing; U-value of 1,5 W/m2K in 4-16-4standard constructions with argon (90%), reducing the need forheating the building.

● High solar heat gain offering overall energy saving performance.● Substantially reduced condensation.● High light transmission, reducing the need for lighting the

building.● Neutral colour in transmission and reflection.● Can be combined with a body-tinted or reflective solar control

glass in an insulating glass unit to provide both thermal insulationand solar control.

● Durable pyrolytic on-line coating easy to handle and process,providing low cost solution with high visual impact.

● Can be laminated, toughened and bent using standard techniques.● Can be used in monolithic form or incorporated in insulating glass

units, and has unlimited shelf-life.● No edge deletion required.● Available in 3 mm, 4 mm, 5 mm and 6 mm.● Achieves Class B to EN 1096 for coated glass.

2



Pilk

ingt

on K

Gla

ss™

Notes:1. It is recommended that this product should not be used in single glazing applications.2. Coating on surface 2 (facing inside).3. Maximum size: 6000 mm x 3210 mm.

glas

s


3 4 6

mm

mm

mm

➪ ➪ ➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

3,7

3,7

3,7

83 82 81

76 74 71

83 82 81

11 11 11

73 71 68

10 10 9

17 19 23

76 74 71

0,84

0,82

0,78

0,03

0,03

0,04

12 12 11

99 99 99

0,87

0,85

0,82

48 45 40

1,09

1,11

1,14

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV



Pilk

ingt

on K

Gla

ss™

Notes:1. Based on 4 mm glass thickness.2. Based on 16 mm (double glazed units) and 12 mm (triple glazed units) argon filled (90%) cavities.3. Maximum size of primary monolithic product is 6000 mm x 3210 mm.

glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity indexpe

rfor

man

ceco

delig

hten

ergy

S, U

V

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

IIII

IIII

I

➪

➪

➪

➪

triple insulating glass unit,Pilkington K Glass™ #2+5

insulating glass unit,Pilkington K Glass™ #2+3



1,5

1,5

1,3

1,0

75 75 69 63

67 72 64 58

75 74 69 63

16 18 19 23

60 60 54 46

14 16 16 19

26 24 30 35

67 72 64 58

0,69

0,69

0,62

0,53

0,08

0,14

0,12

0,14

18 16 19 23

99 99 98 98

0,77

0,83

0,74

0,67

34 34 26 21

1,12

1,04

1,08

1,09

2


Pilkington Optifloat™ Clear

DescriptionA wide range of thicknesses of high quality clear float glassmanufactured by the float process.

ApplicationsPil king ton Optifloat™ Clear can be used in wide variety ofapplications, often representing a practical and stylish alternative tosolid materials. It may be used in the exterior and interior ofbuildings to permit the transmission of daylight, thus reducing thecost of artificial lighting and allowing occupants to view theirsurroundings. In thicknesses above 6 mm, it can be used for a varietyof commercial applications where superior strength, greater spans,reduced deflection, high daylight transmission and enhanced noisesuppression are required. Where a safety glass is required,Pil king ton Optifloat™ Clear can be toughened or laminated.

Features and benefits● High quality float glass.● Very high light transmission.● Extremely durable material.● Maintenance-free and easily cleaned.● Easily processed and fabricated.● Can be used in insulating units in combination with other glasses.● Can be toughened or laminated for safety and security.● Manufactured in accordance with EN 572-2.● Wide range of thicknesses – 2 mm to 19 mm.


Pilk

ingt

on O

ptif

loat

™C

lear


glas

s co

nfig

urat

ion

I

2 3 4 5 6 8 10 12 15 19

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

➪ ➪ ➪ ➪ ➪ ➪ ➪ ➪ ➪ ➪

5,9

5,8

5,8

5,8

5,7

5,7

5,6

5,5

5,5

5,3

90 90 90 89 88 88 87 85 83 81

88 87 85 84 82 80 78 75 71 67

90 90 90 89 88 88 87 85 83 81

8 8 8 8 8 8 8 8 8 7

86 84 83 81 79 76 72 68 63 57

8 8 7 7 7 7 7 7 6 6

6 8 10 12 14 17 21 25 31 37

88 87 85 84 82 80 78 75 71 67

0,99

0,97

0,95

0,93

0,91

0,87

0,83

0,78

0,72

0,66

0,02

0,03

0,03

0,04

0,03

0,05

0,07

0,08

0,10

0,11

8 8 8 8 8 8 8 8 8 7

99 99 99 98 98 97 97 96 94 92

1,01

1,00

0,98

0,97

0,94

0,92

0,90

0,86

0,82

0,77

69 64 60 56 53 49 45 42 38 35

1,02

1,03

1,06

1,06

1,07

1,10

1,12

1,13

1,17

1,21

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SC

TSC

LTL

Ro

LR

iR

aU

LTg

SU

V


2



Pilk

ingt

on O

ptif

loat

™C

lear

Notes:1. Based on 4 mm glass thickness.2. Based on 16 mm (double glazed units) and 12 mm (triple glazed units) argon filled (90%) cavities.

glas

s co

nfig

urat

ion

IIII

IIII

I

➪

➪

➪

➪



II ➪




energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

1,0

81 74 70 80 72

76 72 48 61 55

81 74 70 80 72

15 17 21 13 18

69 60 42 54 46

13 16 37 25 25

18 24 21 21 29

76 72 48 61 55

0,79

0,69

0,48

0,62

0,53

0,08

0,14

0,07

0,08

0,10

15 17 23 14 19

97 99 97 97 96

0,87

0,83

0,55

0,70

0,63

45 34 29 26 21

1,07

1,03

1,46

1,31

1,31

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV


Pilkington Optitherm™

Off-line coated high performance low-emissivity glass

DescriptionPilkington Optitherm™ S1 and Pilkington Optitherm™ S3 are highquality clear glasses with specially formulated off-line low-emissivity coatings applied to one surface after glass manufacture.The effect of the low-emissivity coating is to reflect the longwavelength energy (generated by heating systems, lighting andbuilding occupants) back into the building. However, the transparentcoating still permits the transmission of short wavelength energyoriginating from the sun. This solar energy is absorbed by theinternal surfaces of the building and re-radiated at the longerwavelengths that are then reflected by the coating into the building.The visual appearance of Pilkington Optitherm™ S1 andPilkington Optitherm™ S3 is almost identical to that of ordinaryclear glass. As the coating is transparent and neutral in colour, itseffect on light transmission and reflection is barely perceptible.

ApplicationsPilkington Optitherm™ S1 and Pilkington Optitherm™ S3 canonly be used in insulating glass units. They are popular low-emissivity glasses because of their neutral colours, their high light transmissions and their excellent thermal insulationcharacteristics. They can be used from the smallest installation tothe most prestigious curtain walling applications – anywherewhere there is concern for reduced energy consumption and heatloss. Pilkington Optitherm™ S1 has a higher performance low-emissivity coating than Pilkington Optitherm™ S3, to furtherreduce heat loss through the unit for more demandingapplications. Available in 3, 4, 6, 8, 10 and 12 mm thicknesses,they are often used in combination with other environmentalcontrol glasses. Pilkington Optitherm™ S1 and PilkingtonOptitherm™ S3 cannot be toughened or laminated after coating.However, where a safety glass is required, the coatings can beapplied to toughened or laminated glass.

For safety applications, Pilkington offers Pilkington Opti therm™ S3 Pro T.This glass has to be toughened and its colour is matched toPilkington Opti therm™ S3. After toughening the product has similartechnical performance to Pilkington Opti therm™ S3.

2



Features and benefits● High to very high thermal insulation performance with U-values

down to 1,0 W/m2K in 4-16-4 standard constructions with argon(90%), reducing the need for heating the building.

● Substantially reduced condensation.● High light transmission, reducing the need for lighting the

building.● Neutral colour in transmission and reflection.● Can only be used in insulating glass units (coating generally on

surface #3); argon gas filling can be used to achieve higherthermal insulation.

● Can be combined in an insulating glass unit with solar controlglass to improve both solar control and thermal insulationperformance.

● Can be enhanced when combined with other Pilkington productsto provide additional benefits such as self-cleaning, noise control,safety or security properties.

● Available in annealed, toughened and laminated form.● Available in a “to be toughened” version – Pilkington Optitherm™

S3 Pro T.● Available in 3, 4, 6, 8, 10 and 12 mm thicknesses.



Pilk

ingt

on O

ptit

herm

™S3


glas

s co

nfig

urat

ion

IIII

IIII

I

➪

➪

➪

➪

triple insulating glass unit,Pilkington Optitherm™ S3 #2+5

insulating glass unit,Pilkington Optitherm™ S3 #2+3



energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

– 1,1

1,1

0,7

– 80 79 71

– 61 54 50

– 80 79 71

– 13 12 18

– 54 48 41

– 25 31 33

– 21 21 26

– 61 54 50

– 0,62

0,55

0,47

– 0,08

0,07

0,10

– 14 12 18

– 97 97 96

– 0,70

0,62

0,57

– 26 16 13

–1,

311,

461,

42

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

2




Pilk

ingt

on O

ptit

herm

™S1

glas

s co

nfig

urat

ion

IIII

IIII

I

➪

➪

➪

➪

triple insulating glass unit,Pilkington Optitherm™ S1 #2+5

insulating glass unit,Pilkington Optitherm™ S1 #2+3



energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

– 1,0

1,0

0,7

– 70 61 56

– 48 38 36

– 70 61 56

– 21 28 31

– 42 34 30

– 37 46 46

– 21 20 24

– 48 38 36

–0,

480,

390,

34

–0,

070,

050,

07

– 23 28 31

– 97 96 95

–0,

550,

440,

41

– 29 22 17

–1,

461,

611,

56

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

3


3.0 Fire Protection


Fire Protection

The wide range of modern functional glazings now available hasopened up remarkable scope for creative design in today'sarchitecture. Transparent design from façades and roofs rightthrough to the centre of the building is no longer a vision, it is reality.

State-of-the-art glazing can now be used in high performance designs to provide a protected, yet comfortable and versatile buildingenvironment, founded on daylighting, brightness and clear vision,replacing solid roofs, doors and partitions which block out views andnatural light. Our fire protection range of products, Pilkington Pyrostop®

and Pilkington Pyrodur®, combine fire resistance and designflexibility, for peace of mind, elegant and functional buildings.

New and existing buildings according to regulations in force shouldprovide suitable level of fire safety. The ordinary clear float glasswidely used in buildings is not resistant to fire at all. It breaks attemperature difference equal to about ΔT 40°C. Ordinary laminatedsafety glass is also not resistant to fire – the glass breaks as quickly asclear float. Furthermore, at temperature of about 250°C, when thePVB foil melts and fails to retain the glass fragments, the glasscollapses. Whilst standard toughened glass is more resistant to hightemperatures, it generally cannot survive temperatures higher thanabout 300-350°C.

fractured glass

foam

The reaction of Pilkington Pyrostop® and Pilkington Pyrodur® in case of fire.

Fire Protection

That is why it was necessary to introduce products that couldwithstand typical temperature of fire of 1000°C, and additionally inthe event of fire, would be able to give people the maximum amountof time for safe escape. Pilkington Pyrostop®and Pilkington Pyrodur®meet these criteria.

Pilkington Pyrostop® and Pilkington Pyrodur® are clear, multi-layered fire resistant glasses made of clear or extra clear float glass(Pilkington Optifloat™, Pilkington Optiwhite™), laminated withtransparent intumescent interlayer. When exposed to fire, the panefacing the flames fractures but remains in place, and the interlayerimmediately foams up to form a thick, resilient and tough insulatingshield that absorbs the energy of the blaze. This takes place at onlymodest temperatures around 120°C, such that protection is providedright from the early stages of a fire. The resilient sandwich structureof Pilkington Pyrostop® and Pilkington Pyrodur® ensures that theystay in place and continue to act as an insulating fire-resistant wallfor the required time periods, as defined in the standard approvalstests.

Pilkington Pyrostop® and Pilkington Pyrodur® have been tested inmore fire doors, fire protection framing and façade systems than anyother fire-resistant glass product, covering vertical, horizontal andinclined glazing situations.

Definitions:Integrity (class E)The ability of the system to keep back flames, smoke and hot gases.No flaming on the non-fire side is permitted within the approvedtime classification.

Insulation (class I)The ability of glazed screens or doors to limit the temperature rise onthe non-fire side to an average of no more than 140°C and in any oneposition by no more than 180°C.

Radiation (class W)The ability of the element of construction to reduce the probabilityof transmission of fire as a result of significant radiated heat, eitherthrough the element or from its unexposed surface to adjacentmaterials on the non-fire side.

3



Fire Protection

SafetyPilkington Pyrodur® and Pilkington Pyrostop® have beensuccessfully tested for impact safety according to EN 12600 andprovide safety up to Class 1(B)1.

Typical temperature curves

CEN Classification according to EN 13501-2CEN introduced the following classes:E = integrity (Pilkington Pyrodur®)EW = integrity plus reduced heat radiation (Pilkington Pyrodur®)EI = integrity and insulation (Pilkington Pyrostop®)

CombinationsPilkington Pyrostop® and Pilkington Pyrodur® are designed to becombined with the full range of Pilkington glasses in eitherinsulating glass units or as monolithic glazing for all glazingapplications. This gives full scope to design glazing with thermalinsulation, solar control, acoustic insulation, safety and securityproperties – all with built-in high performance fire protection.

1000

900

800

700

600

500

400

300

200

100

10 20 30 40 50 60 700

Summary data from standard fire tests.

Test temperature

in the furnace

Toughened or wired

fire resistant glass

Pilkington Pyrodur®

(non-fire side)

Pilkington Pyrostop®

(non-fire side)

Time in minutes

Tem

pera

ture

ris

e in

°C

Fire Protection

How to specify fire resistant glass?Subject to confirmation of: fire tested assembly/safety require-ment/thermal stress check/wind loading check (façades). Pleaseverify compliance with local regulations.

It is the installer’s responsibility to ensure that the glasses areinstalled in a fully tested and certified glazing system, and that theassemblies meet local regulatory requirements.

All Pilkington Pyrostop® and Pilkington Pyrodur® products shouldhave permanent marking on glass surface.

3




Laminated fire protection glass for integrity only

DescriptionPil king ton Pyrodur® is a clear laminated fire-resistant and safetyglass (in thickness from 9 mm) designed to provide integrity-onlyfire protection, but also offering a level of insulation against radiantheat transfer.

ApplicationsSuitable for internal and external applications where fire-resistantglasses are required to provide a prescribed level of integrity only,Pilkington Pyrodur® is available in single and double-glazed form,for use with steel, aluminium, softwood and hardwood timberframes. It can be combined with functional glasses to produce a widerange of products for numerous applications. Pilkington Pyrodur®

is particularly suited to use in doors, screens and partitions wherelightweight, narrow profiles are important and ease of glazing is apriority. Other applications include insulating glass units in façadesand roof glazing.



Features and benefits● Provides proven integrity for up to 60 minutes when used in a

suitable, tested glazing system, restricting the spread of flames,smoke and hot gases.

● Special clear intumescent interlayers, reacting to form a rigid,opaque, visual barrier to flames, helping to reduce panic and fearduring evacuation of the building.

● Added benefit of reducing the transmission of conductive andradiant heat from the fire.

● Lightweight.● Totally clear, unobstructed vision.● Can be used for internal or external applications.● Provides effective noise control.● Can provide impact safety performance, dependent upon

thickness.● Can be combined with other functional glasses for greater

flexibility in applications.● Available in monolithic or insulating glass unit form.

3



Pilk

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on P

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30-1

0E

30

7±1

8917

345,

612

00 x

230

0(i

nteg

rity

30 m

in)

Pilk

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on P

yrod

ur®

30-1

03E

30

9±1

8822

355,

512

00 x

240

0(i

nteg

rity

30 m

in)

Pilk

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on P

yrod

ur®

60-1

0E

60

10±1

8724

355,

412

00 x

200

0(i

nteg

rity

60 m

in)

Pilk

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on P

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ur®

30-5

00E

30

23±2

8353

404,

910

50 x

200

0(i

nteg

rity

30 m

in)

incl

ined

gla

zing

Pilk

ingt

on P

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for

inte

rnal

use

(cl

ass

E)

Notes:Size tolerance ± 1 mm/m lenght of edge.

Gla

ss t

ype

Cla

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ness

Thi

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ight

Wei

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Rw

UM

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tran

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T-v

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-v

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test

ed[m

m]

[mm

][%

][k

g/m

2 ][d

B]

[W/m

2 K]

size

[m

m]



Pilk

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on P

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ur®

for

exte

rnal

use

(cl

ass

E)

Notes:Size tolerance ± 1 mm/m lenght of edge.* Insulating glass units may include various types of coatings e.g. low-emissivity or

Pilkington Suncool™. They can provide additional functions such like thermal insulation (U-value)solar control (g-value), or change colour and reflection of the product.

Pilk

ingt

on P

yrod

ur®

30-2

01E

30

10±1

8724

365,

414

00 x

260

0(i

nteg

rity

30

min

)

Pilk

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on P

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30-2

51E

30

24 to

32

±278

4038

3,0

1400

x 2

300

IGU

with

6 m

m P

ilkin

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Opt

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at™

(int

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ty 3

0 m

in)

Pilk

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on P

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30-3

51 I

GU

with

E 3

024

to 3

2±2

depe

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4038

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x 2

300

coat

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lass

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on c

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1

Pilk

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60-2

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60

13±1

8531

385,

312

00 x

200

0(i

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60

min

)

Pilk

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60-3

5 IG

U

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025

to 2

9±2

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nds

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x 2

000

with

coa

ted

glas

s(i

nteg

rity

60

min

)on

coa

ting*

1,3

Pilk

ingt

on P

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30-4

01E

30

40±2

depe

nds

6740

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n to

1050

x 2

000

(int

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ty 3

0 m

in)

incl

ined

gla

zing

on

coa

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1,3

3

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[mm

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[%]

[kg/

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[dB

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mm

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Pilkington Pyroshield™ 2

Wired fire protection glass

DescriptionPil king ton Py ro shield™ 2 is a fire resistant wired glass which, in theevent of fire, provides an effective barrier to flame, smoke and hotgases. Available in Texture version, offering privacy,Pil king ton Py ro shield™ 2 can be used where there is a specificrequirement for integrity-only fire protection.

Pil king ton Py ro shield™ 2 Safety is a monolithic safety wired glassfor use where there is a specific requirement for both integrity-onlyfire protection and impact safety to class 3(B)3 according to EN 12600. Available in clear version, Pilkington Py ro shield™ 2Safety is a unique fire and impact resistant glass, combining a fireresistance rating of up to 30 minutes integrity with a consistent levelof impact safety.

ApplicationsSuitable for use with steel and timber frames, internally or externally,Pilkington Py ro shield™ 2 is ideal for use in screens, partitions, doors,windows, fanlights and overhead glazing. Where there is also arequirement for safety, Pilkington Py ro shield™ 2 Safety should bespecified.

Features and benefits● The most widely tested wired fire protection product in the world.● Visually identifiable as fire resistant glass.● Provides proven integrity for up to 30 minutes when used in a

suitable, tested glazing system, restricting the spread of flames,smoke and hot gases.

● Maintains integrity even when fractured or sprayed with water.● Pil king ton Py ro shield™ 2 Safety offers impact safety performance

to class 3(B)3 according to EN 12600.● Pil king ton Py ro shield™ 2 Safety Clear, in nominal 6 mm, offers

distortion-free vision, and remain transparent throughout the fireperiod.



● Pil king ton Py ro shield™ 2 Texture, in nominal 7 mm, offers a degreeof obscuration when privacy is required.

● Easily cut to size locally from stock sizes.● Extremely cost-effective compared with other integrity fire

protection glasses.

3



Pilk

ingt

on P

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hiel

d™

2 Te

xtur

e


glas

s

I monolithic glass

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mTe

xtur

e

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,7

8178

818

738

1978

0,84

0,06

898

0,90

491,

04

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

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ET

ER

EA

TE

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C

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LR

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➪



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2Sa

fety

Cle

ar


glas

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I monolithic glass

6m

mC

lear

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,7

8177

819

738

1977

0,84

0,05

998

0,89

491,

05

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

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3



Laminated fire protection glass for integrity and insulation

DescriptionA clear, laminated fully insulating fire-resistant and safety glass thatoffers the highest levels of fire protection, limiting the transmissionof conductive and radiant heat, while maximising the available levelsof natural light and visibility.

ApplicationsDesigned for interior and exterior use where thermal protection isofficially required in the case of fire. Available for use with steel,aluminium and timber frames, and in single or double-glazed form,Pilkington Pyrostop® is ideal for use in transparent fire walls,windows, doors, screens, partitions, façades, roof glazing (specialtype) and horizontal glazing (special type).



Features and benefits● Extensively tested clear fire protection.● Provides proven integrity and insulation for up to 120 minutes

when used in a suitable, tested glazing system, restricting thespread of flames, smoke and hot gases and limiting thetransmission of conductive and radiant heat from the fire.

● Special clear intumescent interlayers, reacting to form a rigid,opaque, visual barrier to flames, helping to reduce panic and fearduring evacuation of the building.

● Maximum light transmission for thicker versions that usePilkington Optiwhite™ low iron glass.

● Totally clear, unobstructed vision.● Impact safety.● Provides effective noise control.● Can be combined with other functional glasses for greater

flexibility in applications.● Available in different types for internal or external use.● Available in monolithic or insulating glass unit form.

3



Pilk

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on P

yros

top®

for

inte

rnal

use

(cl

ass

EI)

Notes:Size tolerance ± 1 mm/m lenght of edge.

Gla

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ype

Cla

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ness

Thi

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ssL

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Max

imum

tole

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etr

ansm

. LT

-val

ue

-val

uete

sted

[mm

][m

m]

[%]

[kg/

m2 ]

[dB

][W

/m2 K

]si

ze [

mm

]

Pilk

ingt

on P

yros

top®

30-1

0E

I 30

15±1

8635

385,

114

00 x

240

0(i

nsul

atio

n 30

min

, int

egri

ty 3

0 m

in)

Pilk

ingt

on P

yros

top®

60-1

01E

I 60

23±2

8755

414,

814

00 x

240

0(i

nsul

atio

n 60

min

, int

egri

ty 6

0 m

in)

Pilk

ingt

on P

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top®

90-1

02E

I 90

37±2

8486

444,

214

00 x

230

0(i

nsul

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n 90

min

, int

egri

ty 9

0 m

in)

Pilk

ingt

on P

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top®

120-

10E

I 12

056

±374

117

432,

511

50 x

220

0(i

nsul

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n 12

0 m

in, i

nteg

rity

120

min

)

Pilk

ingt

on P

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top®

120-

106

EI

120

54±3

7511

243

2,6

1220

x 2

420

(ins

ulat

ion

120

min

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egri

ty 1

20 m

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Pilk

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30-5

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27±2

8163

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810

50 x

200

0(i

nsul

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n 30

min

, int

egri

ty 3

0 m

in)

incl

ined

gla

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Pilk

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on P

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60-5

0E

I 60

33±3

8575

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510

50 x

200

0(i

nsul

atio

n 60

min

, int

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ty 6

0 m

in)

incl

ined

gla

zing



Notes:Size tolerance ± 1 mm/m lenght of edge.* Insulating glass units may include various types of coatings e.g. low-emissivity or

Pilkington Suncool™. They can provide additional functions such like thermal insulation (U-value),solar control (g-value), or change colour and reflection of the product.

Gla

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test

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[mm

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[W/m

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size

[m

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Pilk

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30-2

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I 30

18±1

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0 m

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Pilk

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30-2

5E

I 30

32 to

36

±276

5839

to 4

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2,7

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x 2

400

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6 m

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Opt

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30 m

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30

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)

Pilk

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30-3

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to 4

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1400

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with

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(ins

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30 m

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30

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)

Pilk

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60-2

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8663

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714

00 x

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min

, int

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0 m

in)

Pilk

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on P

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top®

60-2

51E

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±277

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6 m

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60 m

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60

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Pilk

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Pilk

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90-2

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8393

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Pilk

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120-

380

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120

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coa

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Pilk

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30-4

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I 30

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50 x

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on c

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3

Pilk

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top®

for

exte

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use

(cl

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4


4.0 Noise Control

Introduction

It could be a Sunday afternoon when you are indoors reading a goodbook, you could be tucked up in bed at night or seated at work tryingto concentrate when you are disturbed by noisy neighbours, traffic ora variety of other unwanted noise. We all suffer from the intrusion ofnoise at some time or another.

With an increasing population density, factory production andtransport, the noise seems to get worse with fewer opportunities toescape. Along with the increase in noise is a growing awareness ofthe effect on health due to the stress caused by everyday soundsintruding into once quiet environments. The trend for the futuresuggests that traffic and noise in general is going to get worse asliving space declines. There is an increasing interest in ways toprotect people from noise to avoid the considerable stress that itcauses and in some cases serious illness.

A considerable amount of work has been done to control noiseintrusion into a building and between adjoining areas, and whilstthis is valuable we want to concentrate on the contribution that thecareful selection of glass has to offer in managing the problem.

Figure 1: Sound spreads out in a similar manner to waves in water.


Noise Control

What is sound?

From a physical point of view, sound belongs in the field of wavephysics / mechanical oscillations. Even 2000 years ago, a Romanarchitect engaged in the construction of amphitheatres used waves inwater to improve his design.

For example, if we strike a tuning fork, we can hear the oscillations,but we cannot see them. These oscillations of the tuning fork aretransmitted to air molecules, which then pass on their oscillations toother air molecules. This behaviour can be demonstrated in water.These oscillations are comparable to a wave in water, with the heightof the wave being a measure of the volume of sound and the numberof waves in time is the frequency of the sound i.e. the more waves,the higher the frequency. Frequency is defined as cycles per secondor Hertz. Hertz is the correct way to describe the frequency or pitchof the sounds and is abbreviated to Hz.

Figure 2: Definition of frequency.

In music, the note A (nearest A above middle C) has a frequency of440 Hz or oscillations per second in concert tuning. If the frequencyis doubled to 880 Hz, the note increases by an octave for equaltempered tuning.

The human ear of a young person can detect frequencies of 20 Hz up to 20,000 Hz and is capable of detecting sound pressures, or to be more precise pressure fluctuations, of between 10-5 Pascals (Pa) =0,00001 (lower limit of hearing) and 102 Pa = 100 Pa (pain threshold)

Sound pressure

Number of oscillations

Time in seconds

Definition of frequency


Noise Control

4


Noise Control

by passing these on to the brain as a sensation of volume. Withincreased age the range of audible frequency diminishes from bothends of the scale naturally or from hearing damage.

The relationship between the quietest and the loudest noise is a ratioof 1 to 10 million. Since this is very unwieldy, in practice the sound-pressure level, or sound level L for short, is expressed as alogarithmic scale which represents a conversion of the soundpressure into a more convenient measure known as the decibel scale(dB). The normal range extends from 0 dB (hearing threshold) toaround 130 dB (pain threshold). Figure 3 shows a few examples.

Figure 3: Noise source and perception (source: Kuraray, Troisdorf).

There are a variety of ways of creating noise and each noise canproduce different volumes of sound at different frequencies. If weuse aircraft as an example there is a clear difference in the soundmade by propeller driven aircraft, modern fan jets and militaryaircraft. If the volume by frequency is plotted as a graph they wouldlook distinctly different. When trying to defeat noise these variationscan be taken into account and different glass types also work betterat some frequencies than others. By matching the performance of theglass to the noise we can selectively reduce the most annoying

Sil

ent

Alm

ost i

naud

ible

Bar

ely

audi

ble

Ver

y qu

iet

Qui

et

Rat

her

quie

t

Mod

erat

ely

loud

Lou

d

Ver

y lo

ud

Ver

y lo

ud

Ext

rem

ely

loud

Unb

eara

ble

Unb

eara

ble

Pain

ful

Time in seconds

Rustlingpaper

Pai

nth

resh

old

Med

ium

hea

ring

ra

nge

Hea

ring

th

resh

old

Quiet garden

Ticking clock

Television programme

Normal conversation

Office noise

Road traffic

Loud radio music

Loudfactory hall

Pneumatichammer

Rockconcert

Aeroplane(50m distance)

sounds to get the maximum benefit. Anyone living next to a privateairstrip with light aircraft has a very different problem to a neighbourof a military base. The solution to the noise problem will be to use adifferent glass configuration.

Determining the noise level can be done in a number of ways. Forlarge or difficult projects a site noise survey can be commissionedusing acoustic consultants who use sensitive equipment to measureand average noise levels by frequency over a period. These surveysgive precise data on the volume of noise at each frequency that needsto be attenuated. The information is often provided in reports thatbreak the noise down into a table showing octave frequencies, e.g.:

The sound can be measured at the site, close to the noise source or adistance in between. Where site data is not provided an adjustmentcan be made to the sound to allow for distance. The further you areaway from the source the less impact it has.

The noise level is often measured over a period and averaged toremove the disproportionate effect of isolated loud noise that isexceptional like a car horn sounding. A level of noise energy can bedetermined that is an A weighted long term average called the day-evening-night level (Lden). It is the Lden noise level that should be thebasis of the design rather than isolated peaks in sound. Therefore

Example: Decay of noise with distance.

Road traffic noise decreases by approximately 3 dB with doubling of distance atright angles to the road. If, for example, L is the dB noise level at 5 meters, then thedecay follows the pattern:

5 m L dB

10 m (L-3) dB

20 m (L-6) dB

40 m (L-9) dB

80 m (L-12) dB

160 m (L-15) dB

Frequency [Hz] 125 250 500 1000 2000 4000

Sound pressure [dB] 30 36 42 44 48 50


Noise Control

4


Noise Control

the aim of the design should be to control the general noise ratherthan exceptions otherwise the noise reduction criteria would becomeextreme. For some applications it may be appropriate to use only partof the three periods or a supplementary noise indicator for noise thatonly occurs for a short period of time.

There is sometimes an option with noise measuring equipment torecord the data with an A weighting. Where interior noise limits areset they are often expressed in dB (A) lub LAeq. The A weighting is an adjustment to the noise at each frequency that follows astandardised curve. The A weighting is a recognition that the humanear does not react to the same volume at each frequency equally i.e.some frequencies seem louder than others even though they arebeing delivered with the same energy. It is important that the humanreaction to noise is considered rather than making decisions basedupon the sensitive instruments that measure sound in an absoluteway.Where a survey is not carried out then there are examples of previoussurveys that allow designers to assume typical noise levels fromcommon sources of noise e.g. road traffic, music, speech, trains,aircraft etc.

Where third octave or octave band information is not provided thereare a range of shorthand expressions used for the noise, typically theRW and Rtra figures may be used to abbreviate the information. Forglass performance the abbreviations are determined by taking plotson a graph of the sound attenuation by frequency and mathematicallycomparing standard curves to then until they are a good fit. The noise reduction at a fixed frequency on the standard curves providesthe RW and Rtra figures.

When the noise level is known the performance of the glass can bematched to get the required level of residual noise. It is importantthat the indices of measurement are matched or in the same scale toensure that the calculation is correct.

For those who like to dig a little deeper

The measured values for 10 mm Pilkington Optifloat™ – 16 mm airspace – 9,1 mm Pilkington Optiphon™* are shown in blue. The* previously known as Pilkington Optilam™ Phon

reference curve specified in EN 717 Section 4 is shown in red. Thisreference curve is now moved downwards in whole dB increments,until the sum of the deviations of the measured values from theshifted reference curve is maximised and less than 32 dB. Only thosemeasured values that are less than the reference values are taken intoaccount. The y-value of this shifted reference curve (green curve inFig. 4) at a frequency of 500 Hz is the sought RW-value, in thisexample 45 dB. Unfortunately, the above-mentioned relationshipbetween the sound-pressure amplitude and the perceived volume isnot as simple as scientists would like it to be because nature hasmade our hearing more sensitive to certain ranges than to others.This means that we perceive a thousand Hz tone as louder than ahundred Hz tone, even though the volume is the same. This propertyof the human ear is taken into account in the shape of the referencecurve.

Determining the sound insulation of types of glass

Since it would be time consuming and costly to measure everysystem on site, all sound insulation spectra are recorded under

Soun

d in

sula

tion

/ [d

B]

Determination of the sound insulation value R

One-third octave band centre frequency / [Hz]

Measured values Reference curve / [dB] Parallel shift

w


Noise Control

10 mm Pilkington Optifloat™ – 16 mm air space – 9,1 mm Pilkington Optiphon™

Figure 4: Determining the sound insulation.

4


Noise Control

standardised conditions. As we see, sound insulation is veryfrequency-dependent. To avoid having to work with the completedata set this diagram can be reduced to a single value. Thestandardised procedure is described in the box below. The result is asingle number – in this case RW = 45 dB – which can be used infurther calculations.

The disadvantage of such a single-value specification is that we canarrive at the same result with completely different curve shapes, asshown in Figure 5.

We achieve more expressive single-value specifications if we use“custom-made” reference curves for specific requirements.

Such “special cases” are C and Ctr. They take into account thedifferent frequency spectra of residential and traffic noises and thusmake it possible to find adequate solutions to the problems inquestion in a simple manner.

The C-value takes into account the noise sources:● residential activities (talking, music, radio, TV),● children playing,● rail traffic at average and high speed,

Comparison between two insulating glass structures where

Frequency / [Hz]

Soun

d in

sula

tion

/ [d

B]

Reference curve4-16-10 4-12-4-12-10

Figure 5: Comparison between two insulating glass structures.


Noise Control

● motorway traffic > 80 km/h (50 mph),● jet aeroplanes a short distance away,● businesses that emit primarily medium- and high-frequency noise.

The Ctr-value takes into account noise sources such as:● urban road traffic,● low speed rail traffic,● propeller aeroplanes,● jet aeroplanes a long distance away,● disco music,● businesses that emit primarily low- and medium-frequency noise.

Thus, if the planned building is located in a city, right by a main road,the Ctr value is the most suitable. If a building is planned right nextto a motorway, the C value is more appropriate.

Calculation rules

Although the use of the dB scale facilitates nice convenient numbers,it also gives rise to somewhat unusual “calculation rules”. If a noisesource is duplicated then the overall dB value rises by only 3 dB. A ten-fold increase i.e. ten electric fans instead of one, leads to anincrease of only twice as much noise i.e. 10 dB.

To complete the explanation, we should also mention that a halvingof the noise level at the ear is not recognised as a halving of thevolume. In general it is true that:

● a difference of 1 dB is not practically noticeable,● a difference of 3 dB is just perceptible,● a difference of 5 dB represents a clear difference,● a difference of 10 dB halves / doubles the noise.

The different types of sound insulation

Mass

As mentioned above, sound spreads in waves by exciting themolecules of the medium in question so that they oscillate. Due tothis means of transmission, the noise is subject to a naturaldamping – depending upon the mass in question. Expressed

4


Noise Control

simply: the more mass put between transmitter and receiver, thegreater the damping.

The simplest way of increasing the sound insulation of glass istherefore to use a lot of glass. Thus a 12 mm single pane has an RW

value of 34 dB, whereas the corresponding value for a 4 mm pane isonly 29 dB.

Coincident frequency and asymmetry

If we compare the spectra of 4 mm, 8 mm and 12 mm float glass, we see that each of these spectra has a downturn in the right-handsection.

This fall off in performance at certain frequencies or coincidentfrequencies occurs at the frequency that matches the natural resonantfrequency for the product. The so-called coincident frequency fg ismaterial specific and dependent upon thickness for glass. As a ruleof thumb:

(where d = thickness of material)

4 mm, 8 mm and 12 mm float glass

Frequency [HZ]

Soun

d in

sula

tion

R in

dB

Figure 6: Influence of the pane thickness on the coincidence frequency.


Noise Control

According to this formula, fg is 3000 Hz for 4 mm float glass, 1500 Hz for 8 mm float glass and 1000 Hz for 12 mm float glass,which corresponds very well with the spectra in Figure 6.

To overcome this we can mix the thicknesses of glass panes in aninsulating unit structure so that when one pane is at its coincidentfrequency the other is not and continues to defeat the sound. Suchasymmetric structures can thus significantly reduce the downturn inthe coincidence range, as shown in Figure 7. A 30% difference inthickness is desirable. Not only does this reduce the dip but it alsoshifts it up the scale which is beneficial as the higher the frequency,the more effective the glass becomes at reducing the overall noiselevel.

Gap between panes / gas fillings

Another method for controlling the transmission of noise is to varythe distance between the panes of glass. With conventional insulatingglass units the gap between the panes is limited to maintain theoptimal thermal performance and the size ofthe gap is not largeenough to significantly improve the acoustic performance. Withsecondary glazing there is an opportunity to have relatively largegaps and an airspace of over 60 mm starts to provide realimprovements in performance. The space between the panes can alsobe lined with acoustic tiles to enhance the benefit.

Frequency [HZ]

Soun

d in

sula

tion

R in

dB

Comparison between 6-12-6 and 8-12-4

Figure 7: Asymmetric glass structure to reduce coincidence.

4


Noise Control

Gas filling the space between panes of an IGU has a marginal effectand there is no practical improvement in using argon gas. Due to thedensity of krypton a small benefit can be gained in acousticperformance of up to 1 dB. Sulphur hexafluoride (SF6) could be usedfor sound insulation simply because it is so heavy, however, this gashas two disadvantages. Firstly it worsens the thermal insulationvalue and secondly this gas has a CO2 equivalent of 22.800 and thusmakes an extremely large contribution to the greenhouse effect. Forthese two reasons, the use of SF6 gas is banned throughout large parts of Europe.

Decoupling / damping

We have said that the thickness of glass helps and varying the glassthicknesses in an insulating unit is a useful method of improvingnoise reduction. Adding mass to the product or having large air gapsmay also be undesirable for reasons of weight and space.Fortunately there are ways of improving the noise reduction ofrelatively thin panes of glass by introducing a damping effect withinthe glass. By laminating the glass with ordinary PVB interlayer wecan reduce the fall off in performance due to the coincidentfrequency and shift the frequency at which the downturn occurs.Adding a Pilkington Optilam™ product to the construction can havea marked improvement particularly where the noise level would behigh at the coincident frequency for a monolithic glass. Insulatingglass units can provide very good results with a mixture of monolithic(Pilkington Optifloat™) and Pilkington Optilam™ glass types.

For higher specification requirements there is Pilkington Optiphon™.These products use special interlayers in a laminate that furtherdecouple the two panes of glass whilst still providing the impactsafety of laminated glass. If you look at the curve profile forPilkington Optiphon™ you will see that the fall off in performance atwhat would have been a coincident frequency is almost eliminated.The correct grade of product can be chosen to match the soundprofile to allow superior performance without dramaticallyincreasing the glass thickness. This allows for greater flexibility indesign without compromising other glazing functions.

In the left-hand part of the spectra (Fig. 7) we see a furtherdownturn. This is the so-called resonant frequency. This is the


Noise Control

frequency at which the component as a whole oscillates inresonance and thus transports the sound oscillations particularlywell and insulates poorly.

The sound insulation can be improved by moving the resonantfrequency of the component to another frequency (away from thenuisance frequency or to where the human ear can hear less well).This is achieved by “decoupling” the insulating glass unit, bymaking a pane of glass at the same time dense and soft. This can beachieved by joining two panes of glass either with special (soft)cast-in-place resins or with modern PVB interlayers developedspecially for this application.

Important reminder

The object of selecting the right acoustic product is to make theinternal environment comfortable and free from the stress associatedwith noise intrusion. The level of residual noise is not the same forall locations and national guidelines are produced for mostenvironments. For instance, the background noise in a library shouldbe around 30 dB. Zero noise is undesirable and tends only to befound in an echoic chambers usually reserved for testing. Zero noisecan be an eerie experience as the ear tunes to other sounds thatbecome distracting.The equation as a first guide becomes:

Noise Source – building attenuation = residual noise

Note that the whole building needs to work and that glass alone willnot solve all acoustic problems. Sound only needs a small entry wayto get into a building unlike heat loss or gain, which tends to beproportional to the surface area. For a noise reduction of up to 35 dB provided by the glass the window frame without a ventilatorshould provide similar performance. Above this level, windowsdeveloped for noise reduction need to keep pace with the glassperformance to ensure the combined product is functioning.

4

To sum up

There are five factors that can be combined, which can positivelyinfluence the sound insulation of an insulating glass unit.1. Glass mass.2. Asymmetric structure.3. Large gap between panes.4. Use of alternative gases.5. Use of Pilkington Optiphon™ special laminated safety glasses or

Cast In Place (CIP) products.

For the higher sound insulation requirements, modern soundinsulating laminated safety glass products such as Pilkington Optiphon™, are becoming increasingly prevalent incomparison to the cast-in-place resin products because RW values ofeven more than 50 dB can be achieved and they can be supplied inlarge sizes. The compatibility of PVB with other materials is wellunderstood and safety benefits such as impact protection / saferoverhead glazing can also be achieved.


Noise Control

Sound reduction graph

6,4 mm Pilkington Optilam™

6,8 mm Pilkington Optiphon™

6 mm Pilkington Optifloat™

Figure 8: Sound reduction illustration.


Noise Control

Figure 9: The illustration shows the impressive damping differences between Pilkington Optilam™ and Pilkington Optiphon™ from the sound engineering point ofview.

Pilkington Optilam™

Pilkington Optiphon™

Time in seconds

Time in seconds

4


Pilkington Insulight™ Phon

Insulating glass units with improved sound insulation

With increasing traffic on the road, rail and in the air, noise insulationhas become a very important topic. It is not a question of it being aluxury anymore it is essential that noise reduction is considered inthe specification of the glazing.Pilkington In su li ght™ Phon is a proven and tested solution to theproblem of noise control.

The enhanced sound insulation of Pilkington In su li ght™ Phoninsulating glass units is made possible through the use of:● panes of varied thickness – a 30 percent difference in thickness is

recommended, e.g. 6 mm and 10 mm;● Pilkington Optilam™, laminated glass, which is produced by

combining two or more glass sheets with one or more PVBinterlayers;

● Pilkington Optiphon™ glass: laminated, sound absorbing glass withhigh acoustic insulation, which uses special foil to yield excellentnoise attenuation parameters.

All above mentioned products can be combined with otherfunctional products such as low-emissivity glass for improvedthermal insulation or solar control glass for better solar controlperformance.



Pilk

ingt

on I

nsul

ight

™Ph

on

type

acou

stic

per

form

ance

dat

alig

hten

ergy

Rw

C

Ctr

CC

trL

TL

Ro

LR

ig

ET

ER

EA

TSC

(dB

)(d

B)

(dB

)10

0-50

0010

0-50

00%

%%

%%

%%

(dB

)(d

B)

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

= g

/87

717-

171

7-1

717-

171

7-1

717-

1

Notes: The performance data for insulating glass units have been determined with Pilkington Optitherm™ S3coating on glass marked with* and with argon (90%) or krypton (90%) gas filling.

4-16

ar-4

*31

-2-5

-1-5

8013

1461

5426

200,

70

6-16

ar-4

*34

-2-5

-2-5

7913

1459

5223

250,

68

6-16

kr-4

*37

-2-6

-1-6

7913

1459

5223

250,

68

8-12

kr-4

*37

-3-6

-2-8

7812

1457

5021

290,

66

8-16

ar-4

*37

-2-5

-1-5

7812

1457

5021

290,

66

8-16

ar-6

*36

-2-6

-1-6

7712

1457

4921

300,

66

8-20

ar-4

*37

-2-6

-1-6

7812

1457

5021

290,

66

10-1

6ar-

4*38

-2-6

-1-6

7712

1456

4819

330,

64

10-1

6kr-

4*40

-4-9

-3-9

7712

1456

4819

330,

64

10-2

0ar-

4*39

-4-8

-3-8

7712

1456

4819

330,

64

10-1

6ar-

6*40

-2-5

-1-5

7612

1456

4719

340,

64

4

Pilk

ingt

on I

nsul

ight

™Ph

on

type

acou

stic

per

form

ance

dat

alig

hten

ergy

Rw

CC

trC

Ctr

LT

LR

oL

Ri

gE

TE

RE

AT

SC(d

B)

(dB

)(d

B)

100-

5000

100-

5000

%%

%%

%%

%(d

B)

(dB

)

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

= g

/87

717-

171

7-1

717-

171

7-1

717-

1

Notes: The performance data for insulating glass units have been determined with Pilkington Optitherm™ S3coating on glass marked with* and with argon (90%) or krypton (90%) gas filling. Letter L means thatordinary laminated glass Pilkington Optilam™ has been used.

4*-1

6ar-

8,8L

38-2

-6-1

-678

1412

5848

2824

0,67

6*-1

4ar-

8,8L

39-2

-6-1

-677

1412

5647

2627

0,64

4*-1

6ar-

9,5L

38-2

-6-1

-677

1412

5848

2824

0,67

4*-1

6ar-

10,8

L38

-2-6

-1-6

7714

1257

4728

250,

66

6*-1

6ar-

10,8

L40

-2-6

-1-6

7614

1256

4626

280,

64

8,4L

-16a

r-6*

37-3

-7-2

-777

1214

5547

1934

0,63

8,8L

-16a

r-8*

37-3

-7-2

-776

1214

5546

1836

0,63

12,8

L-1

6ar-

6*41

-2-5

-1-5

7512

1451

4415

410,

59

12,8

L-1

6ar-

8*41

-2-5

-1-5

7512

1451

4315

420,

59

16,8

L-1

6ar-

8*41

-1-4

0-4

7312

1349

4113

460,

56

4*-8

kr-4

-8kr

-4*

31-1

-40

-471

1818

5041

3326

0,57



Glass Handbook 2010


4*-1

0kr-4

-10k

r-4*

32-1

-50

-571

1818

5041

3326

0,57

4*-1

2ar-4

-12a

r-4*

32-1

-50

-571

1818

5041

3326

0,57

4*-1

2kr-4

-12k

r-4*

33-1

-50

-571

1818

5041

3326

0,57

4*-1

4ar-4

-14a

r-4*

32-1

-40

-471

1818

5041

3326

0,57

4*-1

6ar-4

-16a

r-4*

32-1

-50

-571

1818

5041

3326

0,57

6*-1

0kr-4

-10k

r-4*

36-1

-50

-570

1818

4941

3029

0,56

6*-1

2ar-4

-12a

r-4*

36-2

-6-1

-670

1818

4941

3029

0,56

6*-1

2kr-4

-12k

r-4*

38-2

-6-1

-670

1818

4941

3029

0,56

8*-1

2ar-4

-12a

r-4*

37-2

-7-1

-770

1718

4840

2832

0,55

8*-1

2ar-4

-12a

r-6*

39-2

-5-1

-569

1718

4839

2833

0,55

8*-1

2kr-4

-12k

r-6*

39-1

-50

-569

1718

4839

2833

0,55

8*-1

2ar-6

-12a

r-6*

38-2

-6-1

-669

1717

4738

2834

0,54

Pilk

ingt

on I

nsul

ight

™Ph

on

Notes: The performance data for insulating glass units have been determined with Pilkington Optitherm™ S3coating on glass marked with* and with argon (90%) or krypton (90%) gas filling. Letter L means thatordinary laminated glass Pilkington Optilam™ has been used.

127

type

acou

stic

per

form

ance

dat

alig

hten

ergy

Rw

CC

trC

Ctr

LT

LR

oL

Ri

gE

TE

RE

AT

SC(d

B)

(dB

)(d

B)

100-

5000

100-

5000

%%

%%

%%

%(d

B)

(dB

)

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

= g

/87

717-

171

7-1

717-

171

7-1

717-

1

4



Laminated glass with high sound insulation

DescriptionBy using a special PVB (polyvinylbutyral) interlayer, Pil king ton Optiphon™

is a high quality acoustic laminated glass that offers excellent noisereduction without compromising on light transmittance or impactperformance.The desired acoustic performance can be achieved through combiningvarious thicknesses of glass with a PVB interlayer. With a largevariety of product combinations, Pil king ton Opti phon™ offers theopportunity to achieve specific noise reduction requirements.Pil king ton Opti phon™ can be combined with other Pilkingtonproducts for a multi-functional noise-reduction monolithic glass or amulti-functional noise-reduction insulating glass unit providingadditional benefits, such as thermal insulation, solar control or self-cleaning.

ApplicationsPil king ton Opti phon™ is the ideal choice of glass in situations wherethere is excess noise from road, rail or air traffic, or other sourcessuch as factories or nightclubs.

Benefits● Provide a range of noise control levels.● A thin and lightweight solution to noise problems.● Achieve safety class 1(B)1 (EN 12600) and are available to meet

security glass classifications in accordance with EN 356.● In case of breakage remains intact, minimising the risk of injury.● Widely tested.● Easy to process, and can be incorporated into insulating glass units.● Can be single, double or triple glazed. ● Can be combined with other Pilkington products for a multi-

functional noise-reduction monolithic glass or a multi-functionalnoise-reduction insulating glass unit providing additional benefits,such as thermal insulation, solar control, or self-cleaning.

● Standard available sizes: 6000 x 3210 mm, 3210 x 2550 mm.● Available thicknesses: 6,8; 8,8; 9,1; 10,8; 12,8; 13,1 mm.

8,8

37

-1-4

0-4

878

876

707

230,

879,

1

37-1

-30

-387

88

7669

724

0,87

10,8

38-1

-20

-286

88

7467

726

0,85

12,8

390

-21

-285

88

7265

629

0,83

13,1

400

-20

-285

88

7164

630

0,82

4*-1

6-8,

839

-1-5

0-5

7814

1258

4828

240,

675*

-16-

8,8

40-3

-72

-777

1314

6046

2430

0,69

6*-1

6-8,

841

-3-7

9-7

7714

1256

4726

270,

646*

-16-

9,1

41-2

-6-1

-677

1412

5647

2627

0,64

6*-1

6-10

,842

-3-7

-2-7

7614

1256

4626

280,

646*

-16-

12,

842

-3-8

-2-8

7514

1256

4426

300,

646*

-16-

13,1

43-1

-50

-575

1412

5644

2630

0,64

8*-1

6- 8

,842

-3-7

2-7

7614

1255

4624

300,

63



Pilk

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on O

ptip

hon™

type

acou

stic

per

form

ance

dat

alig

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ergy

Rw

CC

trC

Ctr

LT

LR

oL

Ri

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TE

RE

AT

SC(d

B)

(dB

)(d

B)

100-

5000

100-

5000

%%

%%

%%

%(d

B)

(dB

)

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

= g

/87

717-

171

7-1

717-

171

7-1

717-

1

Notes: The performance data for insulating glass units have been determined with Pilkington Optitherm™ S3coating on glass marked with* and with argon (90%) gas filling.

4



8*-1

6-9,

143

-3-7

9-7

7614

1255

4624

300,

638*

-16-

10,8

43-2

-6-1

-676

1412

5545

2431

0,63

8*-1

6-12

,843

-2-7

-1-7

7514

1255

4324

330,

6310

*-16

- 8,

844

-2-6

-1-6

7614

1254

4523

320,

6210

*-16

- 9,

145

-2-5

-1-5

7614

1254

4523

320,

6210

*-16

-10

,844

-1-5

0-5

7514

1254

4423

330,

6210

*-16

-12

,845

-2-6

-1-6

7413

1254

4223

350,

626,

5 -1

6-4*

36-1

-50

-578

1314

5750

2030

0,66

6,5

-16-

6*39

-1-5

0-5

7812

1457

4920

310,

668,

5-1

6-4*

38-1

-50

-578

1214

5548

1834

0,63

8,5

-16-

6*41

-2-6

-1-6

7712

1455

4718

350,

638,

5-1

6-8*

42-2

-6-1

-676

1214

5546

1836

0,63

8,5-

16-1

0*45

-2-6

-1-6

7612

1455

4518

370,

63

Pilk

ingt

on O

ptip

hon™

type

acou

stic

per

form

ance

dat

alig

hten

ergy

Rw

CC

trC

Ctr

LT

LR

oL

Ri

gE

TE

RE

AT

SC(d

B)

(dB

)(d

B)

100-

5000

100-

5000

%%

%%

%%

%(d

B)

(dB

)

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

= g

/87

717-

171

7-1

717-

171

7-1

717-

1




8,5*

-16-

12,

549

-3-8

-2-8

7413

1251

4119

400,

598,

5*-2

0- 1

2,5

50-3

-8-2

-874

1312

5141

1940

0,59

8,8*

-16-

12,

847

-2-7

-1-7

7413

1251

4119

400,

599,

1*-1

6- 1

3,1

49-3

-8-2

-874

1312

5141

1841

0,59

9,1*

-20-

13,

150

-3-8

-2-8

7413

1251

4118

410,

5910

,5*

-16-

8*43

-2-6

-1-6

7612

1453

4517

380,

6110

,5*

-16-

10*

45-1

-50

-575

1214

5344

1739

0,61

12,5

-16

-8*

43-1

-50

-575

1214

5243

1542

0,60

12,5

-16

-10*

45-1

-50

-574

1213

5242

1543

0,60

6*-1

2-4-

12-

9,1*

41-2

-7-1

-768

1717

4837

3033

0,55

13,1

*-12

-6-1

2- 9

,1*

49-1

-60

-665

1617

4232

1850

0,48

13,1*

-12k

r-6-1

2kr-9

,1*50

-2-7

-2-7

6516

1741

3218

500,

47

Pilk

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on O

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hon™

type

acou

stic

per

form

ance

dat

alig

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ergy

Rw

CC

trC

Ctr

LT

LR

oL

Ri

gE

TE

RE

AT

SC(d

B)

(dB

)(d

B)

100-

5000

100-

5000

%%

%%

%%

%(d

B)

(dB

)

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

ISO

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

EN

410

= g

/87

717-

171

7-1

717-

171

7-1

717-

1


4


5

5.0 Safety / Security



Safety / Security

Demanding safety legislation has highlighted the critical areas wheremodern safety glazing must comply with the relevant safetyrequirements. Innovations in the development of Safety/Securityglass has opened up new avenues of design, which allows people tobe protected from personal injury and, in the most extreme cases,protect buildings from various forms of attack.

With this in mind, we have developed a wide range of sophisticatedproducts, in order to meet these ever increasing demands, withoutcompromising on design criteria of natural light and visibility. We arealways at the forefront in further developing the products and theindustry standards, so that personal accident and serious injuriesresulting from glass impact are further prevented or minimized.

What does “Safety” and “Security” mean?

Although Safety and Security are closely linked topics, it is importantto understand the distinction between the two terms, to ensure theright glass is specified.

The term “Safety” is applied to glazing used to reduce the risk ofaccident by impact, fracture, shattering, or in a fire. The term“Security” is applied to glazing, which in addition to “Safety”, is ableto withstand a variety of deliberate attacks such as physical, armed orblast.

Using only the right type of glass is not enough to secure thenecessary resistance to the severe loads. The glass, once impacted,behaves differently in different framing systems, it is thereforeimperative to combine high performance glazing with highperformance framing systems.

The standards

EN 12600 Glass in building – Pendulum test –Impact test method and classification for flat glass

The pendulum impact test is the standard for classifying flat glassproducts by performance under impact and by mode of breakage.Similar in principle to previously used swing bag tests, EN 12600utilises a dual rubber tyre impactor to strike the glass at three dropheights.

The classifications are summarised below.

The classification has three components:

● The first is the class (i.e. 1, 2 or 3) at which the glass has either notbroken or broken safely.

● The second is the mode of breakage defined as:Type A: numerous cracks appear forming separate fragments with

sharp edges, some of which are large – typical ofannealed glass.

Type B: numerous cracks appear, but the fragments hold togetherand do not separate – typical of laminated safety glass.

Type C: disintegration occurs, leading to a large number of smallparticles that are relatively harmless – typical oftoughened glass.

● The third is the highest drop height (i.e. 1, 2 or 3) at which theproduct did not break (e.g. for toughened glass) or where it broke,but no shear or opening bigger than 76 mm in diameter appeared.

Mode of Drop heightClassification

breakage types [mm]

3 A, B, C 190

2 A, B, C 450

1 A, B, C 1200


Safety / Security

5

EN 356 Glass in building – Security glazing –Testing and classification of resistance against manual attack

This specifies the requirements and test methods for glass designed tobe resistant to manual attack. The glass is subjected to impact from ahard body impactor of mass 4,11 kg for classes P1A to P5A and anaxe for classes P6B to P8B.

These classes of resistance are summarised below.


Safety / Security

Class Drop The number Code of resistance height of strikes designation of

[mm] resistance class

P1A 1500 3 in a triangle EN 356 P1A




P5A 9000 3 x 3 in a triangle EN 356 P5A

P6B - from 30 to 50 EN 356 P6B

P7B - from 51 to 70 EN 356 P7B

P8B - more than 70 EN 356 P8B


Safety / Security

EN 1063 Glass in building – Security glazing –Testing and classification of resistance against bullet attack

This specifies performance requirements and test methods for theclassification of bullet resistant glass, based on attack by handguns,rifles and shotguns.

The test consists of 3 shots fired on the vertices of a 100 mmequilateral triangle glass sample with a weapon corresponding to therequired class.

If the glass sample has not been pierced by the shots then therequired class is achieved. Behind the glass sample is an aluminiumwitness sheet. If after the shots have been fired there are someperforations on it, then the resistance class must have the suffix S(splinters), otherwise it is classified NS (no splinters).

These classes of resistance are summarised below.

Class Calibre

Bullet Bullet Test of resistance mass [g] velocity [m/s] range [m]

BR1-S 0,22 LR 2,6 360 10

BR1-NS

BR2-S 9 mm x 19 8,0 400 5

BR2-NS

BR3-S 0,357 Magnum 10,25 430 5

BR3-NS

BR4-S 0,44 Magnum 15,55 440 5

BR4-NS

BR5-S 5,56 x 45 4,0 950 10

BR5-NS

BR6-S 7,62 x 51 9,45 830 10

BR6-NS

BR7-S 7,62 x 51 9,72 820 10

BR7-NS

5


Safety / Security

Class Calibre

Bullet Bullet Test

of resistance mass [g] velocity [m/s] range [m]

SG1-S 0,22 LR 2,6 360 10

SG1-NS

SG2-S 9 mm x 19 8,0 400 5

SG2-NS

Glass Handbook 2010

Pilkington Optilam™ (safety glass)

DescriptionPil king ton Optilam™ – is a laminated safety glass which consists oftwo or more panes of glass bonded together by heat and pressurewith one or more sheets of flexible PVB (polyvinylbutyral)interlayer, sandwiched permanently between the glasses. Theinterlayers ensure the integrity of the glass, by holding the brokenpieces in place should damage occur. In fact, glass fragments adherestrongly to the interlayer, while the resistant cushioning effectdissipates the energy. The performance of Pilkington Optilam™ canbe influenced simply by changing the number and thickness of eachlayer of glass and PVB interlayer. By doing this, we can offer a widerange of products suitable for many applications.

ApplicationsPil king ton Optilam™ offers the specifier a wide choice of productsfulfilling a multitude of functional requirements. For a givenapplication, Pilkington Optilam™ can be specified to offer one ormore of the following attributes: safety, security, noise control, solarcontrol, bullet resistance, blast resistance, UV screening, privacy ordecoration. The manufacturing method allows a wide variety ofstyles, shapes, colours and glass types to be incorporated. Pil king ton Optilam™ can be used wherever safety or security isimportant, in commercial, public and domestic applications.Recommended applications are skylights, full height windows,balustrades, low level glazing, tables and counter tops. It is particularlysuited for use in hazardous situations, such as doors, partitions,balconies, sloped glazing and other overheard glass applications. When there is a risk of thermal stress, Pilkington Optilam™ glass canbe manufactured with heat strengthened or toughened glass.

139

5



Features and benefits● Class 2(B)2 performance to EN 12600 achieved through

Pilkington Optilam™ 6,4, which is the most widely used thicknessfor protecting people against risk of accidental injury. Can achieveup to Class 1(B)1, dependent upon thickness.

● Available incorporating Pilkington Optifloat™ Tint and Pilkington Suncool™ range of glasses, or a tinted PVB interlayer(Pilkington Optilam™ I) to provide both safety and solar controlproperties.

● Can be used with textured glass and polished wired glass.● Available in combination with Pilkington K Glass™ or

Pilkington Optitherm™ to enhance thermal insulation whilstproviding safety.

● Reduced light transmission when made with a matt obscureinterlayer.

● May be single glazed or incorporated in an insulating glass unit.● Available in a wide range of thicknesses.



Pilk

ingt

on O

ptila

m™

(saf

ety

glas

s)

Notes:Above data are given for laminated glass made of 2 sheets of clear float glass and PVB interlayer 0,38 mm or 0,76 mm.

glas

s

4,4

6,4

6,8

8,4

8,8

12,4

mm

mm

mm

mm

mm

mm

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,8

5,8

5,7

5,7

5,7

5,5

89 88 88 87 87 85

82 79 78 77 76 73

89 88 88 87 87 85

P2A

P2A

3(B

)32(

B)2

1(B

)12(

B)2

1(B

)11(

B)1

8 8 8 8 8 8

78 74 73 71 70 66

7 7 7 7 7 6

15 19 20 22 23 28

82 79 78 77 76 73

0,90

0,85

0,84

0,82

0,80

0,76

0,04

0,06

0,06

0,07

0,07

0,08

8 8 8 8 8 8

99 98 98 97 97 96

0,94

0,91

0,90

0,89

0,87

0,84

3 3 1 3 1 3

1,09

1,11

1,13

1,13

1,14

1,16

perf

orm

ance

code

light

clas

sac

cord

ing

to

EN

126

00

clas

sac

cord

ing

to

EN

356

ener

gyS,

UV

I%

%%

–W

/m2 K

%%

%%

%%

––

––

%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

monolithic glass

5

Pil king ton Opti lam™ Ochron ny

DescriptionPil king ton Opti lam™ (security glass) is produced by combininglayers of glass with PVB interlayers to form sandwiches of materialwith specific design properties ensuring security in addition to itssafety properties.

ApplicationsPil king ton Opti lam™ (security glass) offers the specifier a widechoice of products fulfilling a multitude of functional requirementsin applications such as buildings or shops which display valuablegoods, banks, building societies, museums, as well as in hospitalsand prisons. For a given application, Pilkington Opti lam™ can bespecified to offer one or more of the following attributes: safety,security, noise control, solar control, bullet resistance, blastresistance, UV screening, privacy or decoration

Features and benefits● Conforms to security glazing standards (e.g. EN 356) in addition

to safety glass requirements (EN 12600). ● Retains its overall integrity and continues to act as a barrier even

if the glass breaks, protecting from vandalism, burglary or ballisticattack.

● Able to withstand repeated blows from heavy objects such asbricks, hammers or crowbars.

● Provides UV protection, which may help to reduce fading.


Pilkington Optilam™ (security glass)


Notes:Above data are given for laminated glass made of 2 or more sheets of clear float glass and PVBinterlayer 0,38 mm or its multiple versions.Product thicknesses should be compared with most typical glass constructions.

7,5

9,5

11,5

13,5

19,5

20,6

27,5

29,8

39,0

energy

light

U value


reflectance inside

reflectance outside

transmittance

UV transmittance

selectivity index

5,7

5,6

5,6

5,5

5,3

5,3

5,1

5,0

4,8

88 87 86 85 82 83 79 79 74

77 75 73 71 66 66 61 60 55

88 87 86 85 82 83 79 79 74

8 8 8 8 8 8 7 7 7

71 69 66 63 56 56 49 47 41

7 7 6 6 6 6 6 6 5

22 24 28 31 38 38 45 47 54

77 75 73 71 66 66 61 60 55

0,82

0,79

0,76

0,72

0,64

0,64

0,56

0,54

0,47

0,07

0,07

0,08 0,1

0,12

0,12

0,14

0,15

0,16

8 8 8 8 8 8 7 7 7

– – – – – – – – –

0,89

0,86

0,84

0,82

0,76

0,76

0,70

0,69

0,63

0,1

0,1

0,1

0,1

0,1

0,0

0,1

0,0

0,0

1,14

1,16

1,18

1,2

1,24

1,26

1,3

1,32

1,35

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

C

LSC

TSC

LTL

Ro

LR

iR

aU

LTg

SU

V

glas

s mm

mm

mm

mm

mm

mm

mm

mm

mm

P4A

P4A

P4A

P4A

P6B

P6B

P6B

P7B

P8B

– –B

R1S –

BR

1SB

R2S

BR

2SB

R3S

BR

4S

I monolithic glass

clas

sac

cord

ing

to

EN

106

3

clas

sac

cord

ing

to

EN

356

Pilkington Optilam™ (security glass)

5

Pil k

ing t

on O

pti la

m™

(sec

urity

gla

ss)




total transmittance

absorptance

reflectance



Pilkington Szk#o Hartowane Bezpieczne

DescriptionPilkington Toughened Safety Glass is manufactured by subjectingthe final glass size to a heating and cooling treatment which sets uphigh compressive stresses at the surface and balancing tensilestresses in the centre of the glass, which increases glass strength.

The high compressive surface stresses give Pilkington ToughenedSafety Glass its increased resistance to mechanical and thermalstresses. It can, however, break under extreme loads or by severeimpact. When broken, Pilkington Toughened Safety Glass shatters intosmall, blunt-edged fragments, reducing the risk of personal injury.

Most Pilkington glass is available in toughened form.

ApplicationsPilkington Toughened Safety Glass provides an economical andproven solution in any areas of particular hazard where nationalstandards or Codes of Practice specifically require the use of safetyglazing material.Pilkington Toughened Safety Glass can be used, for example, alongpassageways and areas of high pedestrian traffic, in doors andadjacent panels, shower and bath enclosures, balconies, barriers,staircases and other structural glazing applications. It can be used to provide uninterrupted single or double glazed cladding for the whole building. Other applications include frameless shop fronts and entrances, internal partitions, furniture, canopiesgymnasiums and sports arenas.

Features and benefits● Achieves up to Class 1(C)1 according to EN 12600, dependent

upon glass type and thickness.● Up to 3-4 times stronger than ordinary glass of the same thickness,

offering a proven solution to safety and strength concerns.● Can be heat soaked for extra confidence in use.● When broken, it shatters into small, relatively harmless pieces,

reducing the risk of personal injury.● Reduces the risk of thermal stress breakage of glass exposed to

solar radiation.● Conforms to all the requirements of EN 12150-1 and is CE marked

in accordance with EN 12150-2.● Available in a wide range of sizes and thicknesses.

Pil king ton Toughened Safety Glass

All types of Pilkington Toughened Safety Glass will be readilyidentified by the simple use of ‘T’ following the product brandname.To distinguish heat soaked toughened glass from standardtoughened glass, the word ‘Plus’ is used at the end of product name. Examples are given below.


Glass sizes

Technical data

Thickness Maximum size Minimum size [mm] [mm] [mm]

4 1500 x 2500 200 x 3505 2000 x 3000 200 x 350

6-19 2800 x 6000 200 x 350

hardness 6 on Moh s Scale accordingto EN 572-1:1999

density 2500 kg/m3 according to EN 572-1

resistance to temperature ΔT 200 K according to EN 12150-1

U-value 5,7 -5,8 W/m2K according to EN 673

bending strength 120 N/mm2 according to EN 12150-1

Pilkington Optifloat™ T toughened Pilkington Optifloat™

Pilkington Optiwhite™ T toughened Pilkington Optiwhite™

Pilkington K Glass™ T toughened Pilkington K Glass™

Pilkington Activ™ T toughened Pilkington Activ™

Pilkington Optifloat™ Grey T toughened Pilkington Optifloat™ Grey

Pilkington Suncool™ 70/40 T toughened Pilkington Suncool™ 70/40

Pilkington Optitherm™ S3 T toughened Pilkington Optitherm™ S3

Pilkington Optifloat™ T Plus heat soaked toughened Pilkington Optifloat™

Pil king ton Toughened Safety Glass

5


6


6.0 Self-cleaning


Self-cleaning

Pilkington made a significant step in the glass industry with thedevelopment of Pilkington Activ™ the first dual-action self-cleaningglass. The unique dual-action of the Pilkington Activ™ coating usesthe forces of nature to help keep the glass free from dirt, giving notonly the practical benefit of less cleaning, but also clearer, better-looking windows. The Pilkington Activ™ coating, located on surface#1 of the glass, works in two stages. Firstly, it reacts with naturaldaylight to break down and loosen organic dirt. Secondly, when itrains, instead of forming droplets, the water spreads evenly over thesurface of the glass, forming a thin film and helping to wash any dirtaway, preventing the formation of drying spots and streaks, andhelping the glass to dry very quickly. In installations wherecondensation is a problem, it reduces its visibility and helps it toevaporate more quickly.The Pilkington Activ™ coating works also on cloudy days and duringthe night. During dry spells the glass can be cleaned by simplyhosing it down.

Glass used today in commercial buildings and offices, has to providemultiple functions. A technical profile of large glazed areas mustmeet requirements related to solar control, thermal insulation andnoise control, as well as strict safety regulations. These requirementscan now be combined with self-cleaning properties. Availability ofdual coated products and laminating possibilities allow themanufacture of the glass products that ensure aesthetics, safety,comfort and cost-effective operation of modern buildings, allowingbest cost effective management of buildings.

Dual coating technology is used to combine self-cleaning and solarcontrol properties in one product, ensuring a highly cost effectiveglass combination. Pilkington Activ Suncool™ is manufactured witha Pilkington Activ™ coating on the outside (i.e. on surface 1) and aPilkington Suncool™ coating on the inside (i.e. coating on surface 2).It is used in insulating glass units to enable cost effective buildingmanagement literally from both sides.


Self-cleaning

6

In the commercial sector the glass often needs to provide additionalprotection features. To meet these requirements, Pilkington offerstwo product lines of laminated safety glass. Using laminatedPilkington Activ™ glass for façade elements and on glazed roof andsloping areas which are difficult to access, both safety and self-cleaning can be assured.The same applies to the combination of the self-cleaning propertieswith noise control of the façade. Functional glass, such as Pilkington Activ Optiphon™ allows a significant decrease in costs ofwindow cleaning, and at the same time, it has an increased soundreduction index (Rw).

Pilkington Optitherm™ S3 low-emissivity coating, usually used onsurface #3 in insulating glass units, is sometimes difficult orimpossible to apply on some glass types. However, dual coatedPilkington Activ Optitherm™ S3 provides self-cleaning and goodthermal insulation for insulating glass units with thick bullet-resistant or textured glass.

Function Product and combination

Self-cleaning Pilkington Activ™ monolithic, single-coated,used as single or in insulating glass units.

Plus solar control Pilkington Activ Suncool™ monolithic,dual-coated, used in insulating glass units.

Plus safety Pilkington Activ Optilam™ laminated safety glass, coated, used as single or in insulating glass units.

Plus noise control Pilkington Activ Optiphon™ sound insulating laminated safety glass, coated, used as single or in insulating glass units.

Plus thermal insulation Pilkington Activ Optitherm™ S3monolithic, dual-coated, used in insulating glass units.

Apart from the above-mentioned combinations, other configurations are possible(e.g. Pilkington Activ Suncool Optilam™).


Pilkington Activ™ Blue

Self-cleaning solar control glass

DescriptionPilkington Ac tiv™ Blue is a pyrolytic on-line coated body-tinted,self-cleaning and medium performance solar control glass, with anattractive blue colour. Its surface #1 self-cleaning coating has photo-catalytic and hydrophilic properties. The unique blue colour helps tokeep internal temperatures cool whilst still maintaining excellentlight transmittance, low light reflection and high energy absorption. For optimum self-cleaning and thermal performance, Pilkington Ac tiv™ Blue can be combined with Pilkington K Glass™

or Pilkington Optitherm™ in an insulating glass unit.

ApplicationsSpecially designed for the optimum roof unit, Pilkington Ac tiv™ Blueis perfect for use in conservatories and winter gardens. Its self-cleaning properties make it ideal for use in hard to reach places thatare difficult to clean.

Pilkington Ac tiv™ Blue must always be processed, installed andmaintained in accordance with our specialist Handling andProcessing instructions for Pilkington Ac tiv™.



Features and benefits● Self-cleaning properties reduce the need for manual cleaning,

saving water and eliminating potentially harmful run-off fromexpensive detergents, also increasing personal safety.

● Additional medium performance solar control properties, reducingsolar heat entering the building, enhancing comfort and reducingthe need for cooling the building.

● Attractive blue colour of the glass is perfect for roof glazing,enhancing the view from inside to outside.

● Good light transmission. ● Low exterior reflection, improving aesthetics of the building.● Works even on cloudy days and during the night.● Highly durable pyrolytic on-line coating that lasts the lifetime of

the glass, easy to handle and process.● Can be laminated, toughened, bent and enamelled using standard

techniques. ● Can be used in its monolithic form or incorporated into insulating

glass units (coating on surface #1), and has an unlimited shelf-life. ● Can be combined in an insulating glass unit with low-emissivity

glass such as Pilkington K Glass™ or Pilkington Optitherm™ foradditional thermal insulation properties.

● Available in a range of different sizes and thicknesses (4, 6 and 10 mm).

6



Pilk

ingt

on A

ctiv

™B

lue


glas

s


energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,8

5,7

5,6

59 49 35

55 47 38

59 49 35

15 14 13

44 33 21

13 13 12

43 54 67

55 47 38

0,51

0,38

0,24

0,12

0,16

0,20

11 9 7

89 82 70

0,63

0,54

0,44

15 11 6

1,07

1,04

0,92

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

4 6 10

mm

mm

mm

➪ ➪ ➪



Pilk

ingt

on A

ctiv

™B

lue


glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

44 40 38 43

36 32 24 29

44 40 38 43

16 17 18 16

28 24 19 23

13 14 17 15

59 62 64 62

36 32 25 29

0,32

0,28

0,22

0,26

0,09

0,09

0,06

0,07

15 17 23 15

80 82 80 81

0,41

0,37

0,28

0,33

9 7 6 6

1,22

1,25

1,58

1,48

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

IIII

IIII

➪➪

➪➪





6


Pilkington Activ™ Clear

Self-cleaning glass

DescriptionAn pyrolytic on-line coated self-cleaning glass with photo-catalyticand hydrophilic properties.

ApplicationsPil king ton Ac tiv™ Clear is the perfect choice for situations wherecleaning is difficult or costly, such as high-rise buildings, glass roofstructures or conservatories and atria, or in housing for use by elderlyresidents. It is also ideal where good visibility is important, forexample, in sports stadiums, commentary boxes, airports andexternal walkways.

Pilkington Ac tiv™ Clear must always be processed, installed andmaintained in accordance with our specialist Handling andProcessing instructions for Pilkington Ac tiv™.



● Works even on cloudy days and during the night.● Highly durable pyrolytic on-line coating that lasts the lifetime of

the glass, easy to handle and process.● Can be laminated, toughened, bent and enamelled using standard

techniques. ● Can be used in its monolithic form or incorporated in insulating

glass units (coating on surface #1), and has an unlimited shelf-life. ● Available in combination with Pilkington Optilam™ for impact

resistance or increased security, Pilkington Optiphon™ forimproved noise reduction, Pilkington Optitherm™ S3 foradditional thermal insulation properties.

● Can be combined in an insulating glass unit with a low-emissivityglass such as Pilkington K Glass™ or Pilkington Optitherm™ foradditional thermal insulation properties.

● Available in a range of different sizes and thicknesses (4, 6, 8 and 10 mm).


Pilkington Activ™Clear

Pilk

ingt

on A

ctiv

™C

lear


glas

s


energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,8

5,7

5,7

5,6

84 83 82 81

81 79 76 74

84 83 82 81

14 14 14 14

79 76 72 69

13 13 13 13

8 11 15 18

81 79 76 74

0,91

0,87

0,83

0,79

0,02

0,04

0,04

0,06

14 14 14 14

98 99 99 98

0,93

0,91

0,87

0,85

40 36 33 31

1,04

1,05

1,08

1,09

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

4 6 8 10

mm

mm

mm

mm

➪ ➪ ➪ ➪

6

www.pilkington.com

Pilkington Activ™ Clear

Pilk

ingt

on A

ctiv

™C

lear


glas

s co

nfig

urat

ion

IIII

II

➪

➪

➪

➪





energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,6

1,5

1,0

1,1

76 70 66 75

72 69 46 58

76 70 66 75

20 23 26 18

67 58 40 51

18 21 43 31

15 21 17 18

72 69 46 58

0,77

0,67

0,46

0,59

0,06

0,12

0,07

0,08

20 21 27 19

98 98 97 98

0,83

0,79

0,53

0,67

31 24 22 19

1,06

1,01

1,43

1,29

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

156

Glass Handbook 2010

Pilkington Activ™ Neutral

Neutral self-cleaning solar control glass

DescriptionA self-cleaning and medium performance solar control dual coatedglass with a neutral colour:– surface #1 self-cleaning on-line coating with photo-catalytic andhydrophilic properties,– surface #2 off-line solar control coating, with medium lighttransmittance and high light reflectance.Its unique solar control coating also helps keep internal temperaturescool whilst still maintaining excellent, neutral light transmittance.

ApplicationsSpecially designed for conservatories and large glazed areas,Pilkington Activ™ Neutral is perfect for use in both the roof andverticals for domestic or commercial applications.

Pilkington Activ™ Neutral must always be processed, installed andmaintained in accordance with our specialist Handling andProcessing instructions for Pilkington Activ™.



● Additional medium solar control performance properties, reducingsolar heat entering the building, enhancing comfort and reducingthe need for cooling the building.

● Works even on cloudy days and during the night.● Neutral appearance in transmission and reflection, offering

attractive aesthetics and making it ideal for use in roof or verticalglazing applications.

● Good light transmission.● Durable dual coatings coating that last the lifetime of the glass,

easy to handle and process.● Can be laminated, toughened, and bent using standard techniques. ● Has to be incorporated into insulating glass units (self-cleaning

coating on surface #1 / solar control coating on surface #2).

157

66


● Can be combined in an insulating glass unit with a low-emissivityglass such as Pilkington K Glass™ or Pilkington Optitherm™ foradditional thermal insulation properties.

● Available in a range of different sizes and thicknesses (4, 6 and 8 mm).


Glass Handbook 2010


159

Pilk

ingt

on A

ctiv

™N

eutr

al

glas

s


energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,6

5,6

5,5

50 48 48

55 53 52

50 48 48

28 27 26

47 45 43

22 21 20

31 34 37

55 53 52

0,54

0,52

0,49

0,09

0,09

0,11

19 19 19

99 99 98

0,63

0,61

0,60

25 23 21

0,91

0,91

0,92

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

4 6 8

mm

mm

mm

➪ ➪ ➪


6



Pilk

ingt

on A

ctiv

™N

eutr

al

glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

2,5

1,5

1,0

1,1

44 40 38 43

44 41 28 35

44 40 38 43

29 30 31 28

36 31 23 29

22 23 30 27

42 46 47 44

44 41 28 35

0,41

0,36

0,26

0,33

0,10

0,11

0,06

0,07

23 23 29 22

97 98 96 97

0,51

0,47

0,32

0,40

17 13 12 11

1,00

0,98

1,36

1,23

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV

IIII

IIII

➪➪

➪➪






Self-cleaning high performance solar control and low-emissivityglass

DescriptionA range of self-cleaning, superior solar control and thermalinsulation performance dual coated glass: – surface #1 self-cleaning on-line coating with photo-catalytic andhydrophilic properties; – surface #2 superior off-line solar control and low-emissivitycoating, with high light transmittance, low, medium or high lightreflectance and outstanding U-value (down to 1,0 W/m²K ) in andouble insulating glass unit.Pilkington Ac tiv Suncool™ is available in a wide range of clear orneutral appearances and in two distinctive colours: blue and silver.

Product

Appearancein reflection

(externalview)

Level of

reflection†

Appearancein

transmission(internal

view)

Insulating glass unit construction(6 mm external pane – 16 mm – 4 mm Pilkington Optifloat™ Clear)

Pilkington Activ Suncool™ 70/40 neutral medium neutral

Pilkington Activ Suncool™ 70/35 neutral/blue medium neutral



Pilkington Activ Suncool™ Blue 50/27 blue medium neutral

Pilkington Activ Suncool™ Silver 50/30 silver high neutral


Pilkington Activ Suncool™ 30/17 neutral/blue high neutral

Glass Handbook 2010

Pilkington Activ Suncool™

161


The appearance of the Pilkington Activ Suncool™ range

6

Pilkington Ac tiv Suncool™ is a range of dual coated productsincorporating self-cleaning, solar control and thermal insulationproperties. The external self-cleaning coating breaks down theorganic dirt, and rain water washes any loosened dirt away. Theinternal solar control and low-emissivity coating reflects shortwavelength solar radiation out of the building, as well as longwavelength heat radiation (generated by heating systems, lightingand building’s occupants) back into the building.Pilkington Ac tiv Suncool™ effectively reduces solar heat gain, at thesame time providing high level of light transmittance and aestheticappearance.

We have developed a range of Pilkington Spandrel Glass productsfor use with Pilkington Activ Suncool™ solar control glass to ensurecontinuity in the aesthetic design of façades. Pilkington SpandrelGlass Coated is available in thicknesses 6 mm, 8 mm and 10 mm in toughened form. Maximum size of such spandrels is 2500 x 4500 mm.


The Pilkington Spandrel Glass Coated product range and appearance

Appearance Level LightProduct in of reflection

reflection reflection † [%]

Pilkington Spandrel Glass Coated A200 neutral/ medium 24blue

Pilkington Spandrel Glass Coated A140 neutral/blue

high 29

Pilkington Spandrel Glass Coated A120 silver high 37





The full Pilkington Activ Suncool™ range and recommended off-line coatedspandrels are shown below.

* Due to its low reflection, the appearance of Pilkington Activ Suncool™ 70/40 is dominated

by the transmission. However Pilkington Spandrel Glass Coated A200 can be offered as a

spandrel solution for Pilkington Activ Suncool™ 70/40 when the colour match is not

expected to be perfect.

** Pilkington Spandrel Glass Coated A200 is the recommended solution for

Pilkington Activ Suncool™ 70/35 and Pilkington Activ Suncool™ 66/33. Whilst not a

perfect colour match this is the most harmonising offering in comparison to an enamelled

spandrel solution.

*** Pilkington Spandrel Glass Coated A140 is the recommended solution for

Pilkington Activ Suncool™ 40/22. Whilst not a perfect colour match this is the most

harmonising offering in comparison to an enamelled spandrel solution.

As with all spandrel constructions, it is strongly advised that the customer conducts a

visual ‘mock-up’ test to ensure an acceptable match.

Product Spandrel offering

Pilkington Activ Suncool™ 70/40 *

Pilkington Activ Suncool™ 70/35 (A200)**

Pilkington Activ Suncool™ 66/33 (A200)**

Pilkington Activ Suncool™ 50/25 A200

Pilkington Activ Suncool™ Blue 50/27 –

Pilkington Activ Suncool™ Silver 50/30 A120

Pilkington Activ Suncool™ 40/22 (A140)***

Pilkington Activ Suncool™ 30/17 A140

6



ApplicationsPilkington Ac tiv Suncool™ can only be used in insulating glass units.Designed to achieve optimum performance in large glazed areas,Pilkington Ac tiv Suncool™ is suitable for commercial and residentialapplications that demand high light transmission properties.Where a safety glass is required, Pilkington Ac tiv Suncool™ can bespecified as toughened or laminated glass. Toughened or heatstrengthened glass should also be specified in applications wherePilkington Ac tiv Suncool™ may be at risk of thermal breakage.



● Additional superior solar control property, reducing the need forcooling the inside of the building.

● Range of light transmission and reflection, reducing the need forlighting the inside of the building.

● Wide range of appearance and performance options, providing asolution for the most demanding designs.

● Superior low-emissivity, with U-values down to 1,0 W/m2K in 6-16-4 standard constructions with argon (90%), making theproducts highly energy efficient, through reduced need forheating.

● Works even on cloudy days and during the night.● Highly durable self-cleaning coating lasts the lifetime of the glass.● Can only be used in insulating glass units (self-cleaning coating on

surface #1 / solar control coating on surface #2), with argon gas foreven better thermal insulation.

● Available in combination with Pilkington Optilam™, for impactresistance or increased security, or Pilkington Optiphon™, forimproved noise reduction.

● Available in annealed, toughened and laminated forms. ● Selection of harmonising spandrel panels available, allowing

freedom in design of complete glass façades. ● Available in a range of different sizes and thicknesses (generally

available in 6 and 8 mm; 4 mm is available in some products, 10 mm is available on special request).




glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity indexpe

rfor

man

ceco

delig

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S, U

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%%

%–

W/m

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%%

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III

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➪

➪

➪

➪



insulating glass unit,primary product outside #1+2


1,1 – – –

66 – – –

40 – – –

66 – – –

15 – – –

35 – – –

33 – – –

32 – – –

40 – – –

0,40 – – –

0,06 – – –

14 – – –

96 – – –

0,46 – – –

13 – – –

1,65 – – –

6


glas

s co

nfig

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energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity indexpe

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%%

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Pilk

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on A

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Sun

cool

™70

/35

1,0 – – –

65 – – –

35 – – –

65 – – –

21 – – –

32 – – –

40 – – –

28 – – –

35 – – –

0,37 – – –

0,03 – – –

20 – – –

97 – – –

0,40 – – –

8 – – –

1,86 – – –

III

IIII

II

➪

➪

➪

➪









Pilk

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onA

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Sun

cool

™66

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glas

s co

nfig

urat

ion

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,0 – – –

61 – – –

34 – – –

61 – – –

21 – – –

30 – – –

40 – – –

30 – – –

34 – – –

0,34 – – –

0,05 – – –

21 – – –

95 – – –

0,39 – – –

8 – – –

1,79 – – –

perf

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%%

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6

Pilk

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U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,0 – – –

47 – – –

26 – – –

47 – – –

23 – – –

22 – – –

38 – – –

40 – – –

26 – – –

0,25 – – –

0,05 – – –

21 – – –

93 – – –

0,30 – – –

5 – – –

1,81 – – –

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total transmittance

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UV transmittance

selectivity indexpe

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7

1,1 – – –

47 – – –

27 – – –

47 – – –

24 – – –

23 – – –

39 – – –

38 – – –

27 – – –

0,26 – – –

0,05 – – –

16 – – –

93 – – –

0,31 – – –

6 – – –

1,74 – – –

III

IIII

II

➪

➪

➪

➪





6


glas

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energy

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U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

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UV transmittance

selectivity indexpe

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S, U

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%%

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30

1,0 – – –

47 – – –

30 – – –

47 – – –

42 – – –

26 – – –

46 – – –

28 – – –

30 – – –

0,3 – – –

0,04 – – –

34 – – –

94 – – –

0,34 – – –

12 – – –

1,57 – – –

III

IIII

II

➪

➪

➪

➪







Glass Handbook 2010


171

Pilk

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glas

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nfig

urat

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energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,1 – – –

37 – – –

21 – – –

37 – – –

25 – – –

18 – – –

40 – – –

42 – – –

21 – – –

0,21 – – –

0,03 – – –

23 – – –

91 – – –

0,24 – – –

5 – – –

1,76 – – –

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energy

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U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

1,1 – – –

28 – – –

18 – – –

28 – – –

30 – – –

15 – – –

40 – – –

45 – – –

18 – – –

0,17 – – –

0,04 – – –

17 – – –

88 – – –

0,21 – – –

5 – – –

1,56 – – –

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7


7.0 Decoration


Decoration

Our decoration glass is very versatile; it allows total freedom indesign and can be customised to fulfil any requirements. Varioustechnologies can be used to create the finished products, whether itis patterned or colour glass. We can also influence the glass surface'stransparency as well as its light transmittance of (i.e. be translucent).

Our range of decorative products comprises transparent ortranslucent glass such as screen printed glass, laminated glass withtinted or white translucent interlayer, sand blasted or acid etchedglass, texture glass, or fully opaque products such like enamelledglass, mirrors, and reflective spandrel panels.

Using decorative glass you can create surroundings with a strongindividual identity. In this section you will find our most populardecorative products. However, additional decorative glass can bemanufactured on request to meet individual requirements ofarchitects and specifiers.


Pilkington Optifloat™ Opal

The translucent glass

DescriptionAn acid-etched glass suitable for internal or external use, Pilkington Optifloat™ Opal creates an attractive finish for windows,partition walls, glass doors, furniture, shelving, wall cladding andmany more applications. Whilst they can look stunning and create abeautiful effect, many of the semi-opaque glasses on the market haveproved difficult to stock, handle and process – until now.Pilkington Optifloat™ Opal offers all the diffused natural light of atranslucent glass, but with none of the drawbacks. The real beauty isthat it can be stored and processed in the same way as standard floatglass, is readily available from stock in a range of sizes andthicknesses and can be easily toughened, laminated or screen-printed– making Pilkington Optifloat™ Opal the ideal choice.

ApplicationsBecause it is versatile and easy to handle and processed, Pilkington Optifloat™ Opal can be used in any internal of externalapplications for decoration purposes such as windows, partitionwalls, glass doors and furniture (including shelves, cabinets anddisplay cases), working surfaces, wall cladding and balustrades.

7


Pilkington Optifloat™ Opal

Features and benefits● High light transmittance (of typically 87% in 4 mm), allowing

privacy and uniform, natural design whilst still diffusing light.● ‘Velvet smooth’ and durable surface; high perceived value in any

application.● Can be used internally and externally, highly resistant even by

challenging weather conditions.● Anti-reflectivity of the etched surface.● Available from stock.● Can be stored and processed as ordinary float glass.● Can be toughened, laminated and screen-printed using standard

techniques.● Available in a wide range of sizes and ticknesses (4, 6, 8 and

10 mm).

DescriptionA clear or tinted float glass, which has been printed with ceramic inkdesigns and subsequently toughened. Pilkington Screen PrintedGlass is available in wide range of colours and designs that fully orpartially cover the surface of the glass. Pilkington Screen PrintedGlass gives strength, safety, privacy, decoration and solar control inone product. Ceramic coverage on the screen printed glass helps tocontrol heat and light transmission. The shading coefficient of clearand body-tinted glass is reduced, thus allowing greater flexibility ofchoice and design.

ApplicationsPilkington Screen Printed Glass can be used in wide variety ofapplications including doors, bus shelters, telephone kiosks, displaysigns etc., in addition to the more traditional glazing of partitions,windows and façades.

Features and benefits● Available in a wide range of designs.● Meets the requirements for toughened safety glass.● High durability of ceramic ink.● No colour fading.● Can be single or double glazed.● Can be subjected to additional heat soak treatment, where

required.● Available in a wide range of sizes and thicknesses.


Pilkington Screen Printed Glass

Pilkington Screen Printed Glass.Minimum and maximum size of glass subjected to screen printing.

2800 mm

350 mm

1400

mm

200

mm

7


Pilkington Screen Printed Glass

Pilkington Screen Printed GlassStandard designs

45CR8-25

Ceramic enamel

C1-1

R7-30-7VQR10-1

8


Pilkington Spandrel Glass

DescriptionA range of toughened safety glass mostly used in non-vision area ofthe façade, it includes Pilkington Spandrel Glass Enamelled,Pilkington Spandrel Glass Silicon and Pilkington Spandrel GlassCoated.

Pilkington Spandrel Glass EnamelledPilkington Spandrel Glass Enamelled is produced by depositingspecial ceramic paint on the glass, and subsequently beingtoughened, a process which also fires ceramic paint into the glasssurface.

Pilkington Spandrel Glass Enamelled is offered in 10 standardcolours: white RAL 9016, light grey RAL 7046, grey RAL 7012,dark grey RAL 7021, bronze RAL 8017, green RAL 6032, darkgreen RAL 6012, blue RAL 5024, dark blue RAL 5010 i black RAL9011. A wider range of RAL colours is available upon request, butminimum quantity ordered should be 200 m2.Maximum size: 1800 x 4500 mm.

Pilkington Spandrel Glass SiliconPilkington Spandrel Glass Silicon is a toughened glass covered withsilicon coating, which makes the glass non-transparent. PilkingtonSpandrel Glass Silicon, in standard offer, is available in Blue Greytint. On special request, the glass is also offered in following tints:Warsaw Grey, Traffic Grey, Primary White and Harmony Blue.Maximum size: 1800 x 4500 mm.

Pilkington Spandrel Glass CoatedPilkington Spandrel Glass Coated is a toughened glass, coated withspecial metallic coating, developed for Pilkington Suncool™ glassrange (type E200, E120, E140) and Pilkington Ac tiv Suncool™ (typeA200, A120, A140).Maximum size: 2500 x 4500 mm.

7

180 www.pilkington.pl

PilkingtonPilkington Spandrel Glass

Our wide range of Pilkington Spandrel Glass offers a number ofoptions for use with curtain wall applications allowing the entirebuilding exterior to be fully glazed. Its primary function is to coverthe construction elements in non-vision areas, such as hung ceilingsor the edges of floor slabs. Spandrel glass can be incorporated intoinsulating glass units, and when used in combination with the sameadjacent vision glass, it can either complement or contrast dependingon the coating or colour of the external glass. Spandrel glass can beinsulated with a variety of materials to meet even the most exactingof standards.

ApplicationsPilkington Spandrel Glass is used for curtain wall applications, eitherto match the non-vision spandrel panels to the vision area of glazingor to provide a contrast to the vision area glazing.Pilkington Spandrel Glass Enamelled is also used for interior designand furniture.

Features and benefits● Meets the requirements for toughened safety glass.● No colour fading.● Wide range of colours of enamelled glass, allowing a wide range

of visual effects.● Provides uniformity of curtain walling appearance, and total

concealment of internal structure or services.● Can be subjected to additional heat soak treatment, where

required.● Available in a wide range of sizes and thicknesses.

8


Pilkington Texture Glass

DescriptionA rolled patterned glass, one surface of which has a specific patternor design impressed into the surface, Pilkington Texture Glassprovides obscuration and decoration. The patterned glass allows thepassage of light but depending on the depth and configuration of thepattern, varying degrees of obscuration are obtained. All patterns areclassified according to their obscuration in relation to each other, thegradation being from 1 (least obscuring) to 5 (most obscuring).

ApplicationsThe designs give scope for combining functional suitability withdecorative effect, whilst emphasising the natural light-enhancingproperties of glass. The glasses can be supplied in toughened orlaminated form for safety and incorporated into insulating glass unitsfor thermal insulation or noise control.

Pilkington Texture Glass is translucent, with diffused lighttransmitted but privacy maintained. It offers a wide selection ofalternatives, meeting both functional and aesthetic requirements andmay be used for privacy in commercial, industrial and residentialbuildings. It may also be used for decorative purposes in applicationssuch as doors, partitions and balustrades.

Features and benefits● Provide different degrees of obscuration for privacy of decoration

purposes.● Extensive range of designs and finishes.● Available with wired glass, and therefore suitable for glazing

resistant to fire.● Available in toughened and laminated forms (depending on

design) for safety and security performance.● Can be single glazed or incorporated in an insulating glass unit for

additional properties.● Available in a wide range of sizes and thicknesses (3, 4, 6, 8 and

10 mm) depending on design.

7

182 www.pilkington.pl

PilkingtonPilkington Texture Glass

Pilk

ingt

on T

extu

re G

lass

Notes:Maximum size: 2140 mm x 1320 mm (except for rough cast available in 2700 mm x 1320 mm).

glas

s

I monolithic glass

3 4 6 10

mm

mm

mm

mm

➪ ➪ ➪ ➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,8 5,8 5,7 5,6

89 88 86 84

85 82 78 74

89 88 86 84

8 8 8 8

83 78 73 67

7 7 7 7

10 15 20 26

85 82 78 74

0,94

0,90

0,84

0,77

0,04

0,04

0,06

0,08

8 8 8 7

99 98 97 95

0,98

0,94

0,90

0,85

59 55 48 41

1,05

1,07

1,1 1,14

perf

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code

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%–

W/m

2 K%

%%

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8


8.0 Glass Systems


Glass Systems

Glass can be used to create building interiors which connectoccupants with the external environment, combining unbroken viewsof the surrounding nature and high level of natural light with thecomfort and safety of the internal environment.

This section present two of our attractive and practical glass systems,which will allow you, for example, to transform yards into cosyinteriors, enclose private and public outdoor areas under glass roofsand build stunning glass façades.

Our two major glass systems, Pilkington Planar™ andPilkington Profilit™ are developed for use in glass façades, walls orroofs, and also for internal glazing applications. Our Pilkington specialists and accredited installers can provide allthe support that architects and designers require during theirplanning and design process.


Pilkington Planar™

The ultimate structural glazing system

DescriptionA structural glazing system that provides a flush glass surface, byutilising stainless steel fittings housed in countersunk holes to fix theglass façade back to the structure, instead of using the moreconventional framed systems. The result is a fully engineered systemwith the minimum of structure and the maximum visual clarity. The exterior glass used in all Pilkington Planar™ systems is normally10, 12, 15 or 19 mm thick Pilkington Optifloat™ heat soakedtoughened glass. A silicone seal between adjacent panels providesweatherproofing. Pilkington has been at the forefront of structuralglass testing and design for over 40 years. The fixture holes are acritical feature, subject to constant investigation and testing becauseof the stresses induced locally by wind or snow loading, or by theweight of the façade. Positive and negative wind loads as well assnow loads must be resisted by the system and transferred throughthe fixing locations. The system uses a combination of thickness ofglass, panel size and number of fixings to accommodate for a varietyof loads. Pilkington Planar™ system has given architects the freedomto create the stunning glass buildings and canopies that are such afeature of modern cityscapes.

Glass types used within Pilkington Planar™ systems:● Single glass – flat and curved.● Single laminated safety glass.● Pilkington Planar™ Integral.● Insulating glass units.● Laminated insulating glass units.● Triple insulating glass units – Pilkington Planar™ Triple.

Please note that Pilkington Planar™ can incorporate most Pilkingtonglass types, including our the range of solar control, low-emissivity,screen printed glass as well as our Pilkington Activ™ self-cleaningglass.

8


Pilkington Planar™

Various forms of steel structures can be used to support a Pilkington Planar™ façade. The versatility of Pilkington Planar™

connections enables almost any type of structure to be used.The compatible support systems are:● Steel structures: basic mullions, trusses, tension structures.● Aluminium purlins.● Glass mullions systems.

ApplicationsThe Pil king ton Pla nar™ system covers the full range of applications– from the small and technically simple through to major packagesfor total building cladding. Past work includes curtain walls,complex three dimensional façades and roofs, opening lights andcurved glasses.

Features and benefits● Offers maximum freedom in design.● Flush external surface.● Engineered to permit glazing in any plane: vertical, horizontal or

sloping.● High quality and appearance of materials.● Most widely tested structural glazing system.● 12 years warranty.● Can incorporate most Pilkington glass types, including solar

control, low-emissivity and screen printed glass, as well asPilkington Activ™ self-cleaning glass.


Pilkington Profilit™

DescriptionPil king ton Pro fi lit™ is an alkali cast glass in U-shape, which isproduced according to EN 572, Part 7, using the machine rollingprocess. It is translucent, but not transparent, with a patterned surfaceon the outside (pattern 504) and has the quality features of cast glass.

Range of products overview● Pil king ton Pro fi lit™ (standard) – with ornament 504 and uncoated● Pil king ton Pro fi lit™ Wired – with longitudinal wire inlays● Pil king ton Pro fi lit™ Amethyst – blue● Pil king ton Pro fi lit™ Clear – without ornament 504● Pil king ton Pro fi lit™ Antisol – solar control● Pil king ton Pro fi lit™ Plus 1,7 – thermal insulation● Pil king ton Pro fi lit™ T – thermally toughened● Pil king ton Pro fi lit™ T Color – thermally toughened and coloured

enamelled

Thermal insulationPil king ton Pro fi lit™ Plus 1,7 is a low-e coated glass with a U-value of 1,8 W/m2K when double glazed. Please note that Pilkington Pro fi lit™ Plushas to be assembled according to our guidelines. For moreinformation, please contact your local sales representative.

Solar controlPil king ton Pro fi lit™ Antisol reduces the total solar energytransmittance (g-value) of the glazing.Although the Pil king ton Pro fi lit™ Antisol coating is bronze incolour, high visible light transmittance can be maintained.

SafetyThermally toughened profiled glass Pilkington Pro fi lit™ T isspecially designed to satisfy increased safety requirements withincommon areas of public buildings. This product variant providesgreater mechanical strength compared to its annealed version,allowing the creation of large surfaces that are bright whilst alsomeeting all safety requirements. In addition it allows for longerinstallation lengths in comparison with standard Pilkington Pro fi lit™.Heat soaked thermally toughened glass is available upon request.

8


DecorationThermally toughened and colour coated Pilkington Pro fi lit™ T Coloris a profiled enamelled glass available in a wide range of colours,that gives architects new design possibilities. As the glass istoughened, it also meets higher safety requirements.

Noise controlNoise ranks among the most unpleasant emissions. Thepsychological and physical strain resulting from noise is acontinuous hazard to human health.The use of Pilkington Pro fi lit™ glass reduces the level of externalnoise to a level that is safe for the human ear. A double glazedinstallation with the padding profiles no. 165 and 166 achieves asound reduction of 38 - 41 dB. Triple glazing can be used to achievea sound reduction of 55 dB.

ApplicationsPilkington Pro fi lit™ can be used in interior or exterior applications.The "U-shaped" channels can be installed either vertically orhorizontally. The glass is available in a variety of colours andtextures with varying translucency, allowing for the passage ofnatural light without the loss of privacy. Pilkington Pro fi lit™ isenergy efficient, provides excellent sound reduction and is one of themost cost-efficient glass wall systems available. It can be singleglazed for interior use or dual glazed for exterior applications.

Sports centre applications:For sports centre glazing subject to ball impact, a double skin specialprofile Pilkington Pro fi lit™ K22/60/7, K25/60/7 or K32/60/7construction should be selected, as permitted for ball impact glazingin accordance with DIN 18032, Part 3. The profile should be usedwithout wires. Please consider special application requirements.




Pilk

ingt

on P

rofi

lit™

* – One wire per flange.** – For Pilkington Profilit™ façades, please consult our technical advisory service prior to use.*** – Glass installation using Pilkington Profilit™ gaskets nos. 165 and 166.Notes: RW value for eg. for K22 = 36 dB without padding, 38 dB with padding.SG – single glazing / DG – double glazingS = special production – for production-related reasons these products are only manufactured on a per-order basis and are not kept in stock.(*) = sale from stock providing there are sufficient stocks available or from next production run.We would be pleased to examine the possibility of supplying any product combination not mentionedabove upon request.

Pilk

ingt

onP

rofi

lit™

gl

ass

type

sK

22(

*)K

25

K 3

2K

50

K 2

2/60

/7

K 2

5/60

/7K

32/

60/7

Wid

th

w [

mm

]23

226

233

149

823

226

233

1

Flan

ge h

eigh

t h

[mm

]41

4141

4160

6060

Wei

ght (

sing

le g

lazi

ng)

t [m

m]

66

66

77

7

Wei

ght (

sing

le g

lazi

ng)

[kg/

m2 ]

19,5

19,0

18,2

17,0

25,5

24,5

22,5

Max

. len

gth

supp

lied

(not

max

. ins

talla

tion

leng

th)

6000

6000

6000

5000

7000

7000

7000

Num

ber

of lo

ngitu

dina

l wir

es7(

*)8

1016

(*)

78

10

With

16

long

itudi

nal w

ires

(m

eshi

ng f

unct

ion)

–16

––

–16

–

For

faça

des*

*–

––

––

8+2*

–

Pilk

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on P

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lit™

Plus

1,7

–S

SS

SS

S

Pilk

ingt

on P

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lit™

Plus

1,7

wir

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SS

––

SS

Pilk

ingt

on P

rofi

lit™

Ant

isol

–S

SS

SS

–

Pilk

ingt

on P

rofi

lit™

Ant

isol

wir

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SS

––

S–

Pilk

ingt

on P

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lit™

Am

ethy

st (

blue

)–

SS

––

S–

Pilk

ingt

on P

rofi

lit™

Am

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st w

ired

–S

––

–S

–

Pilk

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on P

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lit™

Cle

ar (

with

out o

rnam

enta

tion)

–S(

*)–

S(*)

–S(

*)–

Pilk

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on P

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lit™

Cle

ar w

ired

(w

ithou

t orn

amen

tatio

n)–

S–

––

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Lig

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ce (

mea

n va

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sing

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ng: 8

6%do

uble

gla

zing

: 75%

The

rmal

tran

smitt

ance

U

[W

/m2 K

]SG

: 5,6

DG

: 2,8

SG: 5

,52

DG

: 2,7

Soun

d in

sula

tion

valu

e (i

n ra

nge

100-

3200

Hz)

RW

[dB

]SG

: 22

DG

: 38*

**SG

: 25

DG

: 41*

**

Pilk

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on P

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lit™

T a

nd P

ilkin

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Pro

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Col

or th

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ally

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ass

can

be h

eat s

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on r

eque

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he s

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axim

umin

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ed in

this

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umen

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for

Pilk

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T a

nd P

ilkin

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Pro

filit

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Col

or.

8


Glass Handbook 2010

9.0 Special Applications

191

9


Special Applications

Our special applications section includes products with specificproperties.Pilkington Optiwhite™ – is an extra clear low iron float glass whichcan be used as a final product, in insulating glass units or as a by-product for manufacture of other special glass products. It is alsoused in the fast developing solar energy sector.

Pilkington Mirropane™ is used as a one-way vision mirror forundetected surveillance. This type of glass is used in areas whichneed to be observed or where people need to be prevented fromlooking in, for example in police stations, customs halls, hospitals,warehouses, computer installations and banks.

Pilkington TEC Glass™ is a range of low-emissivity glasses with anelectric conductive coating of special qualities. Pilkington TEC Glass™

is also used in white goods applications such as fridge and ovendoors, where high insulation is required. In its toughened version, itis used for direct electrical heating, which uses an electric currentpassing through the coating. Because the coating conductselectricity, static electricity is conducted from the coated side. Wemanufacture various types of Pilkington TEC Glass™ with differentresistance levels. The glass is neutral and transparent likeconventional float glass and has high light transmission. It can becurved, toughened and screen printed.If you are interested to know more about these products pleasecontact our Technical Advisor.


Pilkington Mirropane™

High reflective coated glass for one-way vision

DescriptionAn on-line coated glass product developed for use as a one-way mirrorwhere total clear vision is required and specific lighting conditions canbe achieved. Under specified lighting conditions it offers an effectivemeans of providing undetected surveillance and high quality one-wayvision to achieve complete privacy.

In order to maintain privacy in the observing area, the ratio ofillumination levels between public and private side, or observed andobserving side, must be 8:1. It is also advisable, if absolute privacyis essential, to have dark furnishings, to wear dark clothing in thearea from which observation is taken place, and to ensure the lightson the observed side are not directed at the glass.

ApplicationsPil king ton Mir ro pa ne™ is the ideal choice for supermarkets,computer rooms, banks or cash offices, where areas need to be keptunder observation or hidden from public scrutiny. It is alsoappropriate for patient monitoring in hospitals or residential careestablishments. Pilkington Mir ro pa ne™ is available in 6 mmannealed form.

Pilkington Mir ro pa ne™ is normally only used for internalapplications. In such cases, since neither side of the mirror will beexposed to the weather, glazing materials such as adhesive cottonbased strips, plastics or rubber channels can be used in a suitableframe. The glass must be installed with the coating on the observer’sside. In such situation glass on the observer’s side appears like anormal mirror and helps to hide the fact that the glass is used forsurveillance purposes. In addition such position of the coating avoidsa risk of finger prints, scratches etc. on the higher traffic side of theglass (e.g. in shops). When used within an insulating glass unit, thecoating should face the cavity, and the Pilkington Mirropane™ glassshould be on the observer’s side.

If you would like to use Pilkington Mirropane™ in externalapplications, please contact your local Pilkington representative.

9


Pilkington Mirropane™

Pilk

ingt

on M

irro

pane

™G

rey


glas

s co

nfig

urat

ion

III

IIII

III

➪

➪

➪

➪

➪

energy

light

U value


reflectance inside

reflectance outside

transmittance




total transmittance

absorptance

reflectance


UV transmittance

selectivity index

5,7 – – – –

11 – – – –

40 – – – –

11 – – – –

17 – – – –

23 – – – –

11 – – – –

66 – – – –

40 – – – –

0,26 – – – –

0,20 – – – –

70 – – – –

71 – – – –

0,46 – – – –

2 – – – –

0,28 – – – –

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SC

T

SCLT

LR

oL

Ri

Ra

ULT

gS

UV





primary product, monolithic #2


Pilkington Optiwhite™

Extra clear low iron float glass

DescriptionAn extra clear low iron float glass. The glass is practicallycolourless, and the green cast inherent to ordinary clear float glass,which is particularly noticeable in thicker glasses, is virtuallyeliminated. Pilkington Opti whi te™ offers the highest level of lightand solar energy transmittance.

ApplicationsPil king ton Opti whi te™ is recommended for applications that requirehigh light transmission or for which a glass of neutral colour is desired.These include clear fire protection glazing, laminated security glazing,insulating glass units, photovoltaic modules, solar collectors, projectionroom windows, shop fronts, demonstration counters, shelving,showcases, table tops and other frameless glazing applications.Pilkington Opti whi te™ is also ideal for glass which is to be ceramicallydecorated, as the true colours of the decoration will show through the glass. The colour neutrality of Pilkington Opti whi te™ is mostlynoticeable in applications where the edges of the glass are exposed,for example in shelving or table tops.

Features and benefits● Practically colourless compared to ordinary clear float glass, ideal

for applications where the glass edges are visible or when a neutralcolour is desired.

● Highest light transmittance (1% higher than clear float glass in 3 mmthickness – 6% higher in 15 mm thickness), offering outstandingvisual clarity when unrestricted view is required.

● High solar heat transmittance (4% higher than clear float glass in3 mm thickness), allowing more heat through the glass, thusreducing the need for heating the building.

● Available in annealed or toughened form.● Can be combined with other Pilkington products to offer

additional benefits such as solar control, noise reduction or fireprotection.

● Available in a wide range of thicknesses, from 2 to 19 mm.

9


Pilkington Optiwhite™

Pilk

ingt

on O

ptiw

hite

™

Notes:Special extra clear low iron float glass.Maximum size: 6000 mm x 3210 mm.

glas

s co

nfig

urat

ion

I

2 3 4 5 6 8 10 12 15 19

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

➪ ➪ ➪ ➪ ➪ ➪ ➪ ➪ ➪ ➪

5,9

5,8

5,8

5,8

5,7

5,7

5,6

5,5

5,5

5,3

91 91 91 91 91 91 90 90 89 89

91 91 91 90 90 89 88 88 87 86

91 91 91 91 91 91 90 90 89 89

8 8 8 8 8 8 8 8 8 8

91 90 90 89 89 88 87 86 85 83

8 8 8 8 8 8 8 8 8 8

1 2 2 3 3 4 5 6 7 9

91 91 91 90 90 89 88 88 87 86

1,05

1,03

1,03

1,02

1,02

1,01

1,00

0,99

0,98

0,95

0,00

0,02

0,02

0,01

0,01

0,01

0,01

0,02

0,02

0,04

8 8 8 8 8 8 8 8 8 8

100

100

100

100

100

99 99 99 99 98

1,05

1,05

1,05

1,03

1,03

1,02

1,01

1,01

1,00

0,99

86 84 83 81 81 78 76 73 71 68

1,00

1,00

1,00

1,01

1,01

1,02

1,02

1,02

1,02

1,03

perf

orm

ance

code

light

ener

gyS,

UV

%%

%–

W/m

2 K%

%%

%%

%–

––

–%

ET

ER

EA

TE

TSS

CL

SCT

SCLT

LR

oL

Ri

Ra

ULT

gS

UV


Contact list


Contact list

Pilkington Building Products sites in Poland

Pil king ton Pol ska Sp. z o.o.24, Por to wa str.27-600 San do mierzTel.: +48 15 832 30 41Fax: +48 15 832 39 25

Technical Advisory Service18, Wołoska str.02-675 War sza waTel.: +48 22 548 75 07Fax: +48 22 548 75 22

Pil king ton IGP Sp. z o.o.18, Wołoska str.02-675 War sza waTel.: +48 22 548 75 00Fax: +48 22 548 75 55

Pilkington IGP Central Region – Skierniewice Branch4, Prze my sło wa str.96-100 Skier nie wi ceTel.: +48 46 835 05 00Fax: +48 46 835 05 06

Pilkington IGP East Region – Białystok Branch8, Wia dukt str.15-327 Bia ły stokTel.: +48 85 745 60 00, 85 745 60 11Fax: +48 85 745 60 01, 85 745 60 02e-mail: [email protected]

Pilkington IGP North Region – Bydgoszcz Branch13, Oło wia na str.85-461 Byd goszczTel.: +48 52 365 62 00Fax: +48 52 365 62 11

Pilkington IGP West Region – Wrocław Branch16, Gó ral ska str.53-610 Wro cławTel.: +48 71 373 52 09, 71 373 52 11, 71 359 17 51,53,57Fax: +48 71 359 17 55


Contact list

Pilkington IGP South Region – Kraków Branch62, Półłan ki str.30-740 Kra kówTel.: +48 12 627 79 13-15Fax: +48 12 627 79 12

Contact details for Sales Enquiries in Eastern European countries

Belorussia, Bulgaria, Romania, Lithuania, Moldavia

For primary products (e.g. clear float, low-e glass, solar controlglass, laminated glass etc.) enquiries:

Arkadiusz Borowiec - Area Sales ManagerPilkington Polska Sp. z o.o. 24 Portowa str. 27-600 Sandomierz Tel: +48 15 832 6443 Fax: +48 15 832 6256 Mobile: +48 607 090 681e-mail: [email protected]

For processed products (e.g. insulating glass units, toughenedglass, enamelled glass, screen printed glass etc.) enquiries:

Wojciech Kalinowski - Export Sales ManagerPilkington IGP Sp. z o.o. 18 Wołoska str.02-675 WarszawaTel: +48 22 548 75 09Fax: +48 22 548 75 75Mobile: +48 601 964 946e-mail: [email protected]


Contact list

Ukraine

For primary products (e.g. clear float, low-e glass, solar control glass,laminated glass etc.) enquiries:

Arkadiusz Borowiec - Area Sales ManagerPilkington Polska Sp. z o.o. 24 Portowa str. 27-600 Sandomierz Tel: +48 15 832 6443 Fax: +48 15 832 6256 Mobile: +48 607 090 681e-mail: [email protected]

For processed products (e.g. insulating glass units, toughened glass,enamelled glass, screen printed glass etc.) enquiries:

Volodia Panchenko - Mobile: +380 67 406 8125Sergiy Somok - Mobile: +380 67 506 2870Glass Technology11 Kurortna str., app. 302, 04075 Kijev, Puscha-Vodicsa, UkraineTel./Fax: +380 44 594 0794e-mail: [email protected], [email protected]

Slovakia and Hungary

For all building products sales enquiries:

Gabriel Malik - Managing DirectorPilkington Glass Slovakia, spol. s r.o.Kutlikova 17, P.O. Box 201850 00 Bratislava 5, Slovakia Tel: +421 2 63 532 912Fax: +421 2 63 532 911e-mail: [email protected]

Czech Republic

Pilkington Czech, spol. s r.o.Noviny pod Ralskem čp.136471 24 Noviny p.Ralskem, okres Česká LípaČeská republikaTel.:+420 487 851 170Fax: +420 487 851 971e-mail : [email protected]

Documents

Pilkington Glass Handbook 2010