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 Date created 2025-03-20
 Holder SOPREMA SAS
15 rue de St Nazaire
CS 60121
67025 STRASBOURG CEDEX
France
 Certificate no. 25/006/1783
 Family Extruded polystyrene (XPS)
 Commercial brand(s) (products)
Products Purposes
SopraXPS 370 Dallage
 Plant(s) Savigny sur Clairis - France (89)
 Certified thermal conductivity λD = 0.033 W/(m.K)
Puce Certified thermal resistance
Thicknesses
mm
Thermal resistances
m².K/W
60 mm 1.80
70 mm 2.10
80 mm 2.40
90 mm 2.70
100 mm 3.00
Puce Critical compressive strength
Thickness
mm
Rcs
(≥ kPa)
ds mini
(%)
ds maxi
(%)
Modulus of elasticity in use
(≥ MPa)
from 60 to 100  mm 220 0.7 1.7 11.00
 Other certified characteristics
Characteristic Value
Thickness tolerance T1
Compressive stress CS(10\Y)370
Long-term water absorption by total immersion WL(T)0.7
Freeze/thaw resistance FTCD1