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 Date created 2024-01-01
 Holder SAINT GOBAIN WEBER FRANCE
2/4 rue Marco Polo
ZAC des portes de Sucy
94370 SUCY EN BRIE
France
 Certificate no. 17/128/1266/7
 Family Expanded cork (ICB)
 Commercial brand(s) (products)
Products Purposes
WEBERTHERM NATURA
 Plant(s) -
 Certified thermal conductivity λD = 0.040 W/(m.K)
Puce Certified thermal resistance
Thicknesses
mm
Thermal resistances
m².K/W
25 mm 0.60
30 mm 0.75
35 mm 0.85
40 mm 1.00
45 mm 1.10
50 mm 1.25
55 mm 1.35
60 mm 1.50
65 mm 1.60
70 mm 1.75
75 mm 1.85
80 mm 2.00
85 mm 2.10
90 mm 2.25
95 mm 2.35
100 mm 2.50
110 mm 2.75
120 mm 3.00
130 mm 3.25
140 mm 3.50
150 mm 3.75
160 mm 4.00
170 mm 4.25
180 mm 4.50
190 mm 4.75
200 mm 5.00
210 mm 5.25
220 mm 5.50
230 mm 5.75
240 mm 6.00
250 mm 6.25
260 mm 6.50
270 mm 6.75
280 mm 7.00
290 mm 7.25
300 mm 7.50
All resistances
 Specifications for floor applications
Thicknesses
mm
Classification
from 25 to 300  mm SC2 b2
 ISOLE classification
Thickness
mm
I S O L E
from 25 to 60  mm 2 3 2 3 2
from 65 to 120  mm 2 2 2 3 2
from 130 to 300  mm 2 2 2 2 2
 Euroclass(es) Euroclasse E
 Other certified characteristics
Characteristic Value
Compressive stress CS(10)100
Short-term water absorption by partial immersion WS
Traction perpendicular to the surfaces (de 25 mm à 60 mm) TR60
Traction perpendicular to the surfaces (de 65 mm à 300 mm) TR50
Thickness tolerance ((de 25 mm à 50 mm)) T1
Thickness tolerance ((> 50 mm)) T2
Length tolerance L2
Width tolerance W2
Airflow resistance Afr 35
Water vapor permeability MU1
Compressive creep CC(0,8/0,4/10)5