Certificate 21/007/1538/1
Detailed datasheet

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 Date created 2024-01-01
 Holder KNAUF
Zone d'Activité
Rue Principale
68600 WOLFGANTZEN
France
 Certificate no. 21/007/1538/1
 Family Expanded polystyrene (EPS)
 Commercial brand(s) (products)
Products Purposes
KNAUF Perimaxx ULTRA - Thermal insulation from the exterior of the buried walls with waterproofing
 Plant(s) -
 Certified thermal conductivity λD = 0.031 W/(m.K)
Puce Certified thermal resistance
Thicknesses
mm 		Thermal resistances
m².K/W
68 mm 1.95
88 mm 2.60
108 mm 3.25
128 mm 3.90
148 mm 4.55
168 mm 5.20
188 mm 5.85
208 mm 6.50
 Other certified characteristics
Characteristic Value
Compressive stress CS(10)100
Long-term water absorption by diffusion (de 68 à 88 mm) WD(V)6
Long-term water absorption by diffusion (de 108 à 188 mm) WD(V)3
Long-term water absorption by diffusion (208 mm) WD(V)2
Long-term water absorption by total immersion WL(T)3
Water vapor permeability MU 30 à 70
Thickness tolerance T(2)