9
System Name System Stud Size RhinoBoard Thickness Cavity Insulation Fire Sound Nominal Maximum allowable height Approx System Layout Reference (mm) on both sides of Rating Rating Thickness Stud spacing (mm) Weight Number the framework (mm) (min) (Rw_dB) (mm) 600c/c 400c/c 300c/c kg/m 2 Founding member of the Green Building Council SA RhinoLite ® RhinoBoard ® RhinoBoard ® Cavitybatt ® Cavitylite ® Gyproc Classic Wall Systems Gyproc Classic Wall System GR201626 51 SF 1 x 12.5mm none 30 39 76 2600 2900 3100 18 51F30S39 RhinoBoard ® Gyproc Classic Wall System GR201627 63.5 SF 1 x 12.5mm none 30 42 89 3100 3500 3800 19 63F30S42 RhinoBoard ® Gyproc Classic Wall System GR201628 63.5 SF 2x 12.5mm none 60 46 114 4200 4400 4600 36 63F60S46 RhinoBoard ® Gyproc Fire Resistant Wall Systems Gyproc Fire Resistant Wall System GF201632 51 SF 1 x 15mm RhinoBoard ® none 60 42 81 2900 3100 3400 28 51F60S42 FireStop ® dB Gyproc Fire Resistant Wall System GF201633 51 SF 1 x 15mm RhinoBoard ® Isover Cavitybatt ® / 60 49 81 2900 3100 3400 29 51F60S49 FireStop ® dB Cavitylite ® 51mm Gyproc Fire Resistant Wall System GF201639 63.5 SF 1 x 15mm RhinoBoard ® Isover Cavitybatt ® / 60 49 94 3400 3700 3900 28 63F60S49 FireStop ® dB Cavitylite ® 63mm Gyproc Fire Resistant Wall System GF201634 102 SF 1 x 15mm RhinoBoard ® none 60 45 132 4700 5100 5400 29 102F60S45 FireStop ® dB

Gyproc Classic Wall Systems Gyproc Fire Resistant Wall Systems€¦ · 63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm RhinoBoard ® Gyproc High Performance Wall

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Page 1: Gyproc Classic Wall Systems Gyproc Fire Resistant Wall Systems€¦ · 63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm RhinoBoard ® Gyproc High Performance Wall

System Name System Stud Size RhinoBoard Thickness Cavity Insulation Fire Sound Nominal Maximum allowable height Approx System Layout

Reference (mm) on both sides of Rating Rating Thickness Stud spacing (mm) Weight

Number the framework (mm) (min) (Rw_dB) (mm) 600c/c 400c/c 300c/c kg/m2

Founding member of the Green Building Council SA

RhinoLite®

RhinoBoard

®

RhinoBoard®

Cavitybatt®

Cavitylite®

Gyproc Classic Wall Systems

Gyproc Classic Wall System GR201626 51 SF 1 x 12.5mm none 30 39 76 2600 2900 3100 18

51F30S39 RhinoBoard®

Gyproc Classic Wall System GR201627 63.5 SF 1 x 12.5mm none 30 42 89 3100 3500 3800 19 2

63F30S42 RhinoBoard®

Gyproc Classic Wall System GR201628 63.5 SF 2x 12.5mm none 60 46 114 4200 4400 4600 36 3

63F60S46 RhinoBoard®

Gyproc Fire Resistant Wall Systems

Gyproc Fire Resistant Wall System GF201632 51 SF 1 x 15mm RhinoBoard® none 60 42 81 2900 3100 3400 28 4

51F60S42 FireStop® dB

Gyproc Fire Resistant Wall System GF201633 51 SF 1 x 15mm RhinoBoard® Isover Cavitybatt®/ 60 49 81 2900 3100 3400 29 5

51F60S49 FireStop® dB Cavitylite® 51mm

Gyproc Fire Resistant Wall System GF201639 63.5 SF 1 x 15mm RhinoBoard® Isover Cavitybatt®/ 60 49 94 3400 3700 3900 28

63F60S49 FireStop® dB Cavitylite® 63mm

Gyproc Fire Resistant Wall System GF201634 102 SF 1 x 15mm RhinoBoard® none 60 45 132 4700 5100 5400 29 7

102F60S45 FireStop® dB

Page 2: Gyproc Classic Wall Systems Gyproc Fire Resistant Wall Systems€¦ · 63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm RhinoBoard ® Gyproc High Performance Wall

System Name System Stud Size RhinoBoard Thickness Cavity Insulation Fire Sound Nominal Maximum allowable height Approx System Layout

Reference (mm) on both sides of Rating Rating Thickness Stud spacing (mm) Weight

Number the framework (mm) (min) (Rw_dB) (mm) 600c/c 400c/c 300c/c kg/m2

Founding member of the Green Building Council SA

RhinoLite®

RhinoBoard

®

RhinoBoard®

Cavitybatt®

Cavitylite®

Gyproc Fire Resistant Wall System GF201635 102 SF 1 x 15mm RhinoBoard® Isover Cavitybatt®/ 60 52 132 4700 5100 5400 30 8

102F60S52 FireStop® dB Cavitylite® 102mm

Gyproc Fire Resistant Wall System GF201637 102 SF 2x 15mm RhinoBoard® none 120 52 162 6100 6300 6500 56 10

102F120S52 FireStop® dB

Gyproc Fire Resistant Wall System GF201638 102 SF 2x 15mm RhinoBoard® Isover Cavitybatt®/ 120 55 162 6100 6300 6500 57 11

102F120S55 FireStop® dB Cavitylite® 102mm

Gyproc PartyWall Fire Resistant GF201631 63.5 TF 2x 15mm RhinoBoard® Isover Cavitylite® 120 63 226 3300 – – 59

Wall System 63F120S63 FireStop® dB 63mm

Gyproc Fire Resistant Wall System GF201901 51 SF 1 x 15mm RhinoBoard® Isover Cavitybatt®/ 60 44 81 2900 3100 3400 25 8

51F60S44 FireStop® Cavitylite® 51mm

Gyproc Fire Resistant Wall System GF201902 102 SF 1 x 15mm RhinoBoard® none 60 41 132 4700 5100 5400 25 8

102F60S41 FireStop®

Gyproc Fire Resistant Wall System GF201903 102 SF 1 x 15mm RhinoBoard® Isover Cavitybatt®/ 60 48 132 4700 5100 5400 26 8

102F60S48 FireStop® Cavitylite® 102mm

Page 3: Gyproc Classic Wall Systems Gyproc Fire Resistant Wall Systems€¦ · 63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm RhinoBoard ® Gyproc High Performance Wall

System Name System Stud Size RhinoBoard Thickness Cavity Insulation Fire Sound Nominal Maximum allowable height Approx System Layout

Reference (mm) on both sides of Rating Rating Thickness Stud spacing (mm) Weight

Number the framework (mm) (min) (Rw_dB) (mm) 600c/c 400c/c 300c/c kg/m2

Founding member of the Green Building Council SA

RhinoLite®

RhinoBoard

®

RhinoBoard®

Cavitybatt®

Cavitylite®

Gyproc Fire Resistant Wall System GF201904 63.5 SF 1 x 15mm RhinoBoard® FireStop®+1 none 120 47 119 4400 4500 4700 41 8

63F120S47 x 12.5mm RhinoBoard® FireStop®

Gyproc Fire Resistant Wall System GF201905 102 SF 2 x 15mm RhinoBoard® none 120 47 162 6100 6300 6500 48 8

102F120S47 FireStop®

Gyproc Fire Resistant Wall System GF201906 102 SF 2 x 15mm RhinoBoard® Isover Cavitybatt®/ 120 51 162 6100 6300 6500 49 8

102F120S51 FireStop® Cavitylite® 102mm

Gyproc PartyWall Fire Resistant GF201907 63.5 TF 2 x 15mm RhinoBoard® Isover Cavitylite® 63mm 120 60 226 3300 – – 50 8

Wall System 63F120S60 FireStop®

Gyproc Security Wall Systems

Gyproc Security Wall System GH201642 102 SF 2x 15mm RhinoBoard® Isover Cavitybatt®/ 120 58 163 6100 6300 6500 68 13

102F120S58 FireStop®dB + 0.5mm Gypframe™ Cavitylite® 102mm

Galvanised Steel Sheet

Gyproc Security Wall System GSW201901 63.5 SF 2x 12.5mm RhinoBoard® none 120 50 115 4200 4400 4600 51 13

63F120S50 FireStop® + 0.5mm Gypframe™

Galvanised Steel Sheet

Gyproc Security Wall System GSW201902 102 SF 2x 15mm RhinoBoard® Isover Cavitybatt®/ 120 55 163 6100 6300 6500 60 13

102F120S55 FireStop® + 0.5mm Gypframe™ Cavitylite® 102mm

Galvanised Steel Sheet

Page 4: Gyproc Classic Wall Systems Gyproc Fire Resistant Wall Systems€¦ · 63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm RhinoBoard ® Gyproc High Performance Wall

System Name System Stud RhinoBoard Thickness Cavity Insulation Fire Sound Nominal Maximum allowable height Approx System Layout

Reference Size on both sides of Rating Rating Thickness Stud spacing (mm) Weight

Number (mm) the framework (mm) (min) (Rw_dB) (mm) 600c/c 400c/c 300c/c kg/m2

Founding member of the Green Building Council SA

RhinoLite®

RhinoBoard

®

RhinoBoard®

Cavitybatt®

Cavitylite®

Gyproc Moisture Resistant Wall Systems

Gyproc Moisture Resistant GM201653 63.5 SF 1 x 15mm RhinoBoard® none 60 n/a 94 3500 3800 4000 28 14

Wall System 63F60 MoistureResistant™

Gyproc Moisture Resistant GM201654 102 SF 1 x 15mm RhinoBoard® none 60 n/a 132 4700 5100 5400 29

Wall System 102F60 MoistureResistant™

Gyproc Impact Resistant Wall Systems

Gyproc Impact Resistant Wall System GD201643 63.5 SF 1 x 15mm RhinoBoard® none 60 41 (-3;-9) 94 3200 3500 3700 31 22

63F60S41 DuraLine

Gyproc Impact Resistant Wall System GD201644 63.5 SF 1 x 15mm RhinoBoard® Isover Cavitybatt®/ 60 45 (-3;-10) 94 3200 3500 3700 30

63F60S45 DuraLine Cavitylite® 63mm

Gyproc Impact Resistant Wall System GD201645 63.5 TF 2 x 15mm RhinoBoard® none 180 55 220 3200 3500 3700 83

63F180S55 FireStop®dB (outer layer) +

2 x 15mm RhinoBoard® FireStop®dB

(inner layer, between framework)

Page 5: Gyproc Classic Wall Systems Gyproc Fire Resistant Wall Systems€¦ · 63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm RhinoBoard ® Gyproc High Performance Wall

System Name System Stud RhinoBoard Thickness Cavity Insulation Fire Sound Nominal Maximum allowable height Approx System Layout

Reference Size on both sides of Rating Rating Thickness Stud spacing (mm) Weight

Number (mm) the framework (mm) (min) (Rw_dB) (mm) 600c/c 400c/c 300c/c kg/m2

Founding member of the Green Building Council SA

RhinoLite®

RhinoBoard

®

RhinoBoard®

Cavitybatt®

Cavitylite®

Gyproc Sound Resistant Wall Systems

Gyproc Sound Resistant Wall System GS201645 63.5 SF 2 x 15mm RhinoBoard® Isover Cavitybatt®/ 60 53 (-2;-7) 124 4400 4500 4700 58

63F60S53 SoundBloc® Cavitylite® 63mm

Gyproc Sound Resistant Wall System GS201653 70AS + 2 x 12.5mm RhinoBoard® Isover Cavitybatt®/ 60 63 152 3200 – – 47

70AS50F60S63RB2 2 resilient SoundBloc® Cavitylite® 63mm

bars SF

Gyproc Sound Resistant Wall System GS201646 70AS 2 x 12.5mm RhinoBoard® Isover Cavitybatt®/ 60 57 (-3;-6) 122 4900 5300 5500 59

70ASF60S57 SF SoundBloc® Cavitylite® 63mm

Gyproc Sound Resistant Wall System GS201647 146 + 1 2 x 12.5mm RhinoBoard® Isover Cavitybatt®/ 60 58 (-1;-5) 214 6800 7400 7800 49

146F60S58RB1 resilient SoundBloc® Cavitylite® 102mm

bar SF

Gyproc Sound Resistant Wall System GS201648 146 + 2 2 x 12.5mm RhinoBoard® Isover Cavitybatt®/ 60 66 (-2;-7) 230 5700 7400 7800 50

146F60S66RB2 resilient SoundBloc® Cavitylite® 102mm

bars SF

GS201649 102HD 2 x 12.5mm RhinoBoard® Isover Cavitybatt®/ 60 70 (-2;-8) 300 8000 – – 49 Gyproc Sound Resistant Wall

System F60S70 TF SoundBloc® Cavitylite® 102mm

GS201650 102HD 2 x 15mm RhinoBoard® Isover Cavitybatt®/ 60 71 (-2;-7) 300 8000 – – 61

TF SoundBloc® Cavitylite® 102mm

GS201651 102HD 3 x 15mm RhinoBoard® Isover Cavitybatt®/ 180 75 (-2;-6) 550 9000 – – 89

TF SoundBloc® Cavitylite® 102mm

102HD

Gyproc Sound Resistant Wall

System 102HD F60S71

Gyproc Sound Resistant Wall

System 102HD F180S75

Page 6: Gyproc Classic Wall Systems Gyproc Fire Resistant Wall Systems€¦ · 63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm RhinoBoard ® Gyproc High Performance Wall

System Name System Stud RhinoBoard Thickness Cavity Insulation Fire Sound Nominal Maximum allowable height Approx System Layout

Reference Size on both sides of Rating Rating Thickness Stud spacing (mm) Weight

Number (mm) the framework (mm) (min) (Rw_dB) (mm) 600c/c 400c/c 300c/c kg/m2

Founding member of the Green Building Council SA

RhinoLite®

RhinoBoard

®

RhinoBoard®

Cavitybatt®

Cavitylite®

GS201652 102HD 3 x 15mm RhinoBoard® 3 x Isover Cavitylite® 102mm 180 81 (-3;-8) 800 9000 – – 98

TF SoundBloc® + 4 x Isover Energylite® 50mm

Gyproc High Performance Wall Systems with Habito®

Gyproc High Performance Wall System GH201601 63.5 SF 1 x 12.5mm Gyproc none 30 41(-3;-6) 89 4400 4700 4900 26

63F30S41 with Habito® Habito®

Gyproc High Performance Wall System GH201602 63.5 SF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 30 45(-2;-7) 89 4400 4700 4900 27

63F30S45 with Habito® Habito® Cavitylite® 63.5mm

Gyproc High Performance Wall System GH201603 102 SF 1 x 12.5mm Gyproc none 30 42(-2;-5) 127 6500 7000 7300 27

102F30S42 with Habito® Habito®

Gyproc High Performance Wall System GH201604 102 SF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 30 46(-2;-6) 127 6500 7000 7300 28

102F30S46 with Habito® Habito® Cavitylite® 102mm

Gyproc High Performance Wall System GH201605 51 SF 1 x 12.5mm Gyproc none 60 46(-2;-5) 101 4000 4200 4300 43

51F60S46 with Habito® Habito® + 1 x 12.5mm

RhinoBoard®

Gyproc High Performance Wall System GH201606 51 SF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 60 52(-3;-9) 101 4000 4200 4300 44

51F60S52 with Habito® Habito® + 1 x 12.5mm Cavitylite® 51mm

RhinoBoard®

Gyproc Sound Resistant Wall

System 102HD F180S81

Page 7: Gyproc Classic Wall Systems Gyproc Fire Resistant Wall Systems€¦ · 63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm RhinoBoard ® Gyproc High Performance Wall

System Name System Stud RhinoBoard Thickness Cavity Insulation Fire Sound Nominal Maximum allowable height Approx System Layout

Reference Size on both sides of Rating Rating Thickness Stud spacing (mm) Weight

Number (mm) the framework (mm) (min) (Rw_dB) (mm) 600c/c 400c/c 300c/c kg/m2

Founding member of the Green Building Council SA

RhinoLite®

RhinoBoard

®

RhinoBoard®

Cavitybatt®

Cavitylite®

Gyproc High Performance Wall System GH201607 63.5 SF 1 x 12.5mm Gyproc none 60 46(-2;-5) 114 5200 5400 5600 43

63F60S46 with Habito® Habito® + 1 x 12.5mm

RhinoBoard®

Gyproc High Performance Wall System GH201608 63.5 SF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 60 53(-3;-9) 114 5200 5400 5600 45

63F60S53 with Habito® Habito® + 1 x 12.5mm Cavitylite® 63mm

RhinoBoard®

Gyproc High Performance Wall System GH201613 51 SF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 120 54(-4;-10) 106 4100 4300 4400 54

51F120S54 with Habito® Habito® + 1 x 15mm Cavitylite® 51mm

RhinoBoard® FireStop® dB

Gyproc High Performance Wall System GH201614 63.5 SF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 120 55(-3;-8) 119 5300 5500 5600 54

63F120S55 with Habito® Habito® + 1 x 15mm Cavitylite® 63mm

RhinoBoard® FireStop® dB

Gyproc High Performance Wall System GH201615 102 SF 1 x 12.5mm Gyproc none 60 47(-2;-6) 152 7400 7800 8000 44

102F60S47 with Habito® Habito® + 1 x 12.5mm

RhinoBoard®

Gyproc High Performance Wall System GH201616 102 SF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 60 53(-2;-8) 152 7400 7800 8000 46

102F60S53 with Habito® Habito® + 1 x 12.5mm Cavitylite® 102mm

RhinoBoard®

Gyproc High Performance Wall System GH201617 63.5 TF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 60 61(-3;-10) 187 8700 9000 9200 46

63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm

RhinoBoard®

Gyproc High Performance Wall System GH201618 63.5 TF 1 x 12.5mm Gyproc Habito® (outer 2 x Isover Cavitybatt®/ 60 65(-6;-14) 177 8700 8800 9000 47

63F60S65 with Habito® layer) + 2 x 12.5mm RhinoBoard® Cavitylite® 63mm

(inner layer, between framework)

Page 8: Gyproc Classic Wall Systems Gyproc Fire Resistant Wall Systems€¦ · 63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm RhinoBoard ® Gyproc High Performance Wall

System Name System Stud RhinoBoard Thickness Cavity Insulation Fire Sound Nominal Maximum allowable height Approx System Layout

Reference Size on both sides of Rating Rating Thickness Stud spacing (mm) Weight

Number (mm) the framework (mm) (min) (Rw_dB) (mm) 600c/c 400c/c 300c/c kg/m2

Founding member of the Green Building Council SA

RhinoLite®

RhinoBoard

®

RhinoBoard®

Cavitybatt®

Cavitylite®

Gyproc High Performance Wall System GH201623 102 SF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 120 55(-1;-5) 157 7500 7800 8000 55

102F120S55 with Habito® Habito® + 1 x 15mm Cavitylite® 102mm

RhinoBoard® FireStop® dB

Gyproc High Performance Wall System GH201624 63.5 TF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 120 62(-2-7) 192 8800 9100 9300 55

63F120S62 with Habito® Habito® + 1 x 15mm Cavitylite® 63mm

RhinoBoard® FireStop® dB

Gyproc High Performance Wall System GH201625 63.5 TF 1 x 12.5mm Gyproc Habito® 2 x Isover Cavitybatt®/ 120 65(-5;-12) 182 8700 8900 9100 56

63F120S65 with Habito® (outer layer) + 2 x 15mm Cavitylite® 63mm

RhinoBoard® FireStop® dB

(inner layer. between

framework)

Gyproc High Performance Wall Systems with X-Ray Protection

Gyproc High Performance System GX201626 102 SF 1 x 12.5mm Gyproc Isover Cavitybatt®/ 30 53 127 5600 – – 42

102F30S53 with X-Ray Protection with X-Ray Protection Cavitylite® 102mm

Gyproc High Performance System GX201627 102 SF 2 x 12.5mm Gyproc Isover Cavitybatt®/ 120 57 152 5900 – – 81

102F120S57 with X-Ray Protection with X-Ray Protection Cavitylite® 102mm

Page 9: Gyproc Classic Wall Systems Gyproc Fire Resistant Wall Systems€¦ · 63F60S61 with Habito® Habito® + 1 x 12.5mm Cavitylite® 1 x 63mm RhinoBoard ® Gyproc High Performance Wall

Founding member of the Green Building Council SA

RhinoLite®

RhinoBoard

®

RhinoBoard®

Cavitybatt®

Cavitylite®

Gyproc Extra-height Wall Systems

Gyproc Extra-height Drywall System GE201901 150 I 1 x 12.5mm none – 42* 175 7600 8500 9500 9400 10600 11600 19

150F00 RhinoBoard®

Gyproc Extra-height Drywall System GE201902 150 I 1 x 15mm none 30 46* 180 7800 8700 9500 9700 10800 11800 29

150F30 RhinoBoard®

FireStop® dB

Gyproc Extra-height Drywall System GE201903 150 I 2 x 15mm none 60 53* 210 8800 9500 10200 10900 11900 12700 56

150F60 RhinoBoard®

FireStop® dB

Gyproc Extra-height Drywall System GE201904 150 I 3 x 15mm none 120 57* 240 9600 10200 10800 11900 12700 13400 83

150F120 RhinoBoard®

FireStop® dB

(NB) The fire resistance and sound insulation performances are for imperforate drywall incorporating boards with joints taped and filled, or skimmed to Gyproc recommendations. The quoted performances are achieved if only Gyproc

components and fixings recommendations are adhered to throughout. Any variation in the specification should be checked with Saint-Gobain Gyproc Technical and Specification.

For Maximum Height above 4200mm, use Gypframe™ UltraSTEEL® Deep Track.

(NB) Maximum allowable heights - Based on limiting deflection of L/250 at 200Pa and L/125 at 200Pa.

The above quoted figure are based on test data, simulations, calculations and/or determinations where applicable.

SF - Single Frame TF - Twin Frame

Drywalls are tested in accordance with SANS 10177-2 and BS EN 1364-1:1999

w When there is no insulation in the cavity and the studs spacing is reduced to 300mm centres, this results in an estimated 3dB loss in the Rw compared to studs at 600mm centres without insulation.

w When there is insulation in the cavity and the studs spacing is reduced to 300mm centres, this results in an estimated 2dB loss in the Rw compared to studs at 600mm centres with insulation in the cavity.

w When there is no insulation in the cavity and the studs spacing is reduced to 400mm centres, this results in an estimated 2dB loss in the Rw compared to studs at 600mm centres without insulation.

w When there is insulation in the cavity and the studs spacing is reduced to 400mm centres, this results in an estimated 0dB loss in the Rw compared to studs at 600mm centres with insulation in the cavity.

w Our plasterboards are GreenTag Level A (Cape Town) and Level B (Other) certified.

System Name System Stud RhinoBoard Thickness Cavity Fire Sound Nominal Maximum allowable height Maximum allowable height Approx System

Reference Size on both sides of Insulation Rating Rating Thickness at L/250 AT 200Pa atL/125 AT 200Pa Weight Layout

Number (mm) the framework (mm) (min) (Rw_dB) (mm) Stud spacing (mm) Stud spacing (mm) kg/m2

600c/c 400c/c 300c/c 600c/c 400c/c 300c/c