Certificate 26/020/1778/1
Detailed datasheet

 Back to the last certificates list

 Date created 2026-04-20
 Holder URSA IBERICA AISLANTES S.A
Paseo Recoletos, 3
E-28004 MADRID
Spain
 Certificate no. 26/020/1778/1
 Family Extruded polystyrene (XPS)
 Commercial brand(s) (products)
Products Purposes
URSA XPS F N-W CORE - Insulation under sealed tile (Panneau de 1500 mm max Epaisseurs de 20 à 240 mm)
- Insulation under screed or floating slab or sealed tile under shaped cement mortar (Panneau de 1500 mm max Epaisseurs de 20 à 240 mm)
- Counter plaster wallboard
- Double masonry wall
 Plant(s) El Pla de Santa Maria - Espagne
 Certified thermal conductivity
Thicknesses
mm 		Thermal conductivity
λD W/(m.K)
from 20 to 120  mm 0.032 W/(m.K)
from 140 to 240  mm 0.035 W/(m.K)
Puce Certified thermal resistance
Thicknesses
mm 		Thermal resistances
m².K/W
20 mm 0.60
30 mm 0.90
40 mm 1.25
50 mm 1.55
60 mm 1.85
80 mm 2.50
90 mm 2.80
100 mm 3.10
110 mm 3.40
120 mm 3.75
140 mm 4.00
150 mm 4.25
160 mm 4.55
170 mm 4.85
180 mm 5.10
190 mm 5.40
200 mm 5.70
210 mm 6.00
220 mm 6.25
230 mm 6.55
240 mm 6.85
All resistances
 Specifications for floor applications
Thicknesses
mm 		Classification
from 20 to 60  mm SC1 a2 Ch
from 70 to 240  mm SC1 a4 Ch
 ISOLE classification
Thickness
mm 		I S O L E
from 20 to 50  mm 5 1 3 4 3
from 60 to 240  mm 5 1 3 4 4
 Euroclass(es) Euroclasse F
 Other certified characteristics
Characteristic Value
Thickness tolerance T1
Compressive stress CS(10/Y)250
Dimensional stability under defined temperature and humidity conditions DS(70,90)
Deformation under defined compressive load and temperature conditions DLT(2)5
Long-term water absorption by total immersion ((de 30 à 240 mm)) WL(T)0,7
Traction perpendicular to the surfaces ((20 mm)) TR100