Summary
High performance vapour-permeable roofing membrane.
High performance vapour-permeable roofing membrane.
High performance vapour-permeable roofing membrane.
Color
Silver
Silver
Silver
Finish
Reflective
Reflective
Reflective
Material
Polypropylene
Polypropylene
Polypropylene
Shape
Rectangle
Rectangle
Rectangle
Length
50000 mm, 100000 mm
50000 mm, 100000 mm
50000 mm, 100000 mm
Width
300 mm, 1500 mm, 2700 mm
300 mm, 1500 mm, 2700 mm
300 mm, 1500 mm, 2700 mm
Height
0.3 mm
0.3 mm
0.3 mm
Warranty description
15 year
15 year
15 year
Specification
Description
Spunbond non-woven polypropylene construction membrane with a high purity aluminium surface.
Spunbond non-woven polypropylene construction membrane with a high purity aluminium surface.
Spunbond non-woven polypropylene construction membrane with a high purity aluminium surface.
Manufacturer
Permavent Ltd.
Permavent Ltd.
Permavent Ltd.
Standard
To BS EN 13859-1.
To BS EN 13859-1.
To BS EN 13859-1.
Class (minimum)
W2.
W2.
W2.
Performance criteria
-
-
-
Water vapour properties
Water vapour resistance (Sd): To EN 12572, 0.09.
Water vapour resistance (Sd): To EN 12572, 0.09.
Water vapour resistance (Sd): To EN 12572, 0.09.
Fire performance
Reaction to fire: To BS EN 13501-1, Class E.
Reaction to fire: To BS EN 13501-1, Class E.
Reaction to fire: To BS EN 13501-1, Class E.
Tensile properties
To BS EN 13859-1 (MD/CD), 240/ 190 N/50mm.
To BS EN 13859-1 (MD/CD), 240/ 190 N/50mm.
To BS EN 13859-1 (MD/CD), 240/ 190 N/50mm.
Recycled content
100%.
100%.
100%.
Material
Polypropylene, non-woven with aluminium.
Polypropylene, non-woven with aluminium.
Polypropylene, non-woven with aluminium.
Form
Spun-bonded.
Spun-bonded.
Spun-bonded.
Weight (minimum)
150 g/m².
150 g/m².
150 g/m².
Thickness (minimum)
0.3 mm.
0.3 mm.
0.3 mm.
Reflective face
High purity aluminum.
High purity aluminum.
High purity aluminum.
Additional properties
Roll size
0.3 x 50 m.
1.5 x 50 m.
2.7 x 100 m.
CoverageArea
15 m².
75 m².
270 m².
Tear resistance
To BS EN 13859-1 (MD/CD), 220/ 230 N.
To BS EN 13859-1 (MD/CD), 220/ 230 N.
To BS EN 13859-1 (MD/CD), 220/ 230 N.
Emissivity
0.02.
0.02.
0.02.
Thermal resistance
0.79 m²·K/W.
0.79 m²·K/W.
0.79 m²·K/W.
Sustainability data
Material
Polypropylene
Polypropylene
Polypropylene
Recyclability
Fully recyclable.
Fully recyclable.
Fully recyclable.