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Properties for STYROFOAM* Brand Products for Construction Applications
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PROPERTIES STANDARD UNIT DECKMATE CM ROOFMATE SL FLOORMATE 200 FLOORMATE 350
Density (minimum) BS4370: Method 2 kg/m3 26 32 25 34
Thermal conductivity (90 days, 10°C) BS3837: Part 2: 1990 Appendix G W/mk 0.028 0.028 0.028 0.027
Compressive strength at 10% deflection BS4370: Method 3 kN/m2 200 300 200 350
Design load for traffic — kN/m2 60 110 60 120
Water vapour permeability (δ) BS3837: Part 2: 1990 Appendix D ngm/Ns 1.4 1.2 1.6 1.2
Water absorption BS3837: Part 2: 1990 Appendix E % - vol. 0.3 0.3 0.3 0.3
Size: Length — mm 2500 1250 1200 1200
Width — mm 600 600 600 600
Temperature limits — °C -50/+75 -50/+75 -50/+75 -50/+75
Thickness(1) — mm 50, 60, 80, 100 50, 60, 75, 90, 100, 120 25, 30, 35, 50 30, 50, 75
Edge profile — — tongue and groove shiplap butt edge butt edge
Surface — — skin skin skin skin

(1)Special dimensions are available upon request.

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PROPERTIES STANDARD UNIT FLOORMATE 500 FLOORMATE 700 PERIMATE DI STYROFOAM IB
Density (minimum) BS4370: Method 2 kg/m3 38 45 32 28
Thermal conductivity (90 days, 10°C) BS3837: Part 2: 1990 Appendix G W/mk 0.026 0.027 0.028 0.033
Compressive strength at 10% deflection BS4370: Method 3 kN/m2 500 700 300 250
Design load for traffic — kN/m2 160 250 100 90
Water vapour permeability (δ) BS3837: Part 2: 1990 Appendix D ngm/Ns 1 1 1.2 1.9
Water absorption BS3837: Part 2: 1990 Appendix E % - vol. 0.3 0.3 0.5 1
Size: Length — mm 1250 1250 1250 2438
Width — mm 600 600 600 600
Temperature limits — °C -50/+75 -50/+75 -50/+75 -50/+75
Thickness(1) — mm 50, 75 50, 80 50 25, 50, 60, 75, 150
Edge profile — — shiplap shiplap shiplap butt edge
Surface — — skin skin grooved planed

(1)Special dimensions are available upon request.

®™* Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow