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Brick, stone, plastered and rendered façades, façade coverings

István Vidovszky PhD

evaluation

Vidovszky – BUTE/BME-Faculty of Architecture – Department of Construction Technology and Management 2012.10.16.

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19th century

the structure of the facade getting independent from the load-bearing structure inside the building – change of the approach

facade coverings, claddings

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typical structure system

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C. load-bearing wall structure + insulation + rendered surface

D. load-bearing wall structure + insulation + surface supporting system + surface

structure

A. load-bearing wall structure (+ rendered surface)

B. load-bearing wall structure + surface coverings (ceramic/brick /stone decoration)

modern

traditional

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rendering - material

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• traditional lime-Portland-cement rendering

• frost resistant Portland-cement rendering

• fire proof rendering

• isolating render mortar

•thin surface rendering mortar with polyester mesh reinforcement

•color stone plaster

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rendering -surface treatment

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combed

Types of render finishes

broomedscratchedrendered

roughsmooth roughcast/

wet dashed

Tyrolean

colored

rendered

polished

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surface treatment

Vidovszky – BUTE/BME-Faculty of Architecture – Department of Construction Technology and Management

4Types of architectural render finishes

brick effect render ashlar effect render sgraffito

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1. mark out

work sequence of rendering

traditional

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2. rendering alignment spots

3. rendering alignment stripes

4. surface rendering

5. surface smooth

Vidovszky – BUTE/BME-Faculty of Architecture – Department of Construction Technology and Management

6work sequence of rendering

modern

1. set up

2. set aligning profiles

3. surface rendering

4. surface smoothing

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handtools

Vidovszky – BUTE/BME-Faculty of Architecture – Department of Construction Technology and Management

7finishing tools

plastic float sponge float

foam floatfinishing trowels

broom comb

foam float

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equipments

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temporary structures:- mortar silo- scaffolding (above 1,5m) - mortar mixers- plastering machnies

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facade insulation - material

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•polystiren

•polyurethane

•fiberglass /glass wool

•mineral wool

•woodwool board

+ combinations

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facade insulation - fixing

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above the surface below the surface

glued + anchored

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facade insulation - fixing

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anchoring points

anchors

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facade insulation + rendering

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edge protection base coat

finish coat smoothing

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facade coverings - material

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• brick facades

• stone facades

• metal sheets

•timber panel

•cement panel

•glass panel

•plastic panel

• ceramic facade panel

•polycarbonate

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modern facades - requirements

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Statics Insulation Detailing / functionality

Appearance

load bearing

capacity (self load +

impacts)

heat protection

(thermal comfort)

maintenability,

sutainability and

resonable cost

surface quality

wind load (+/-)

resistance

protection against

UV radiation

joints and dilatation applied colors

optimal / required

distance of the

props, proper

material quality,

etc.

protection against

moisture

(rainwater, vapour

load)

security aspects –

property protection

proportions of the

surface elements

acoustic protection fire protection

workabiltiy /

viability

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assembled facades systems

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Load bearing wall / skeleton structure + extrior wall + insulation + assembled surface

influencing factors (consequences of e.g. material characteristics):

•element size (min.-max.)

•element weight (average /max.)

•element shape

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modern brick facades

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metal supporting system

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modern stone facades

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metal supporting system

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timber panels

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timber supporting system

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cement boards

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1. load bearing wall

2. thermo insulation

3. supporting battens

4. EPDM joint tape

5. gap

6. facade panel

7. screw

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glass facade panels / U-profile glass

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ceramic facade panales

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ventilated system

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metal sheet panels

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mounted on a supporting system

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plastic panels

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Transportation - site logistic

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equipments required:

•scaffoldings (fix, mobile)

•platform basket, lifting platform

•lifting equipments (elevator, crane)

• special lifting /rigging tools (e.g. for glass

panels)

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Assembly

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lifting

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Assembly

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mounting

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examples

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Office building, London, United Kingdom

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examples

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Office building, Lisbon, Portugal

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examples

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U-profile glass facade system, VIA University College, Horsens, Denmark

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examples

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Brick facade, Apartment building, New York, USA

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examples

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Fiberglass-concrete facade, „Soccer-City”, Johannesburg, South Africa

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examples

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Ceramic facade covering, Spanish Expo-Pavilion, Aichí, Japan

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Vidovszky – BUTE/BME-Faculty of Architecture – Department of Construction Technology and Management

Thank you for your attention!

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References

Vidovszky – BUTE/BME-Faculty of Architecture – Department of Construction Technology and Management

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[1] http://tennisonrendering.com/products_finishes.php 24-10-2011[2] http://www.krm-heritage-plasters.co.uk/page4.htm 24-10-2011[3] http://www.mkmgrup.eu/index.php?mPath=522 24-10-2011[4] http://www.masonrysystems.org 24-10-2011[5] Tóth Elek: Homlokzatok, Szakipari technológiák, 24-10-2011[6] Épületszerkezettani segédlet, Kőburkolat Rögzítése, SZIE[7] Finnforest Thermowood – Technical manual[8] Homlokzatburkolat. Tervezési és szerelés útmutató a következő termékekhez: Cembrti

Metro, Cembrit Edge, Cembrit Fusion, Cembrit True[9] http://www.stylepark.com 16-10-2012

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