Summary
Three-layer air and vapour open membrane for use as a pitched roof underlay.
Three-layer air and vapour open membrane for use as a pitched roof underlay.
Three-layer air and vapour open membrane for use as a pitched roof underlay.
Color
Blue
Blue
Blue
Material
Polypropylene
Polypropylene
Polypropylene
Shape
Rectangle
Rectangle
Rectangle
Length
50000 mm
50000 mm
50000 mm
Width
1000 mm, 1500 mm
1000 mm, 1500 mm
1000 mm, 1500 mm
Specification
Standard
To BS EN 13859-1 and BS 5534:2014 + A2 2018.
To BS EN 13859-1 and BS 5534:2014 + A2 2018.
To BS EN 13859-1 and BS 5534:2014 + A2 2018.
Third-party certification
British Board of Agrément (BBA) certificate 23/6867, Product Sheets 1 and 2.
British Board of Agrément (BBA) certificate 23/6867, Product Sheets 1 and 2.
British Board of Agrément (BBA) certificate 23/6867, Product Sheets 1 and 2.
Performance criteria
-
-
-
Water vapour properties
To EN 12572, Sd: 0.01 m.
To EN 12572, Sd: 0.01 m.
To EN 12572, Sd: 0.01 m.
Fire performance
Reaction to fire: To EN 13501-1: Class E.
Reaction to fire: To EN 13501-1: Class E.
Reaction to fire: To EN 13501-1: Class E.
Tensile properties
To BS EN 12311-1 (MD/CD), 330/ 270 N/50mm.
To BS EN 12311-1 (MD/CD), 330/ 270 N/50mm.
To BS EN 12311-1 (MD/CD), 330/ 270 N/50mm.
Class (minimum)
W1.
W1.
W1.
Material
Polypropylene.
Polypropylene.
Polypropylene.
Form
Three-layer composite with integral double-sided self-adhesive tape.
Three-layer composite with integral double-sided self-adhesive tape.
Three-layer composite with integral double-sided self-adhesive tape.
Weight (minimum)
180 g/m².
180 g/m².
180 g/m².
Thickness (minimum)
Manufacturer's standard.
Manufacturer's standard.
Manufacturer's standard.
Additional properties
Roll size
1 x 50 m.
1 x 50 m.
1.5 x 50 m.
Adhesive
Integral double sided self-adhesive tape.
Integral double sided self-adhesive tape.
Integral double sided self-adhesive tape.
Air permeability
To EN 12114, >20 m³/m²·h at 50 pa.
To EN 12114, >20 m³/m²·h at 50 pa.
To EN 12114, >20 m³/m²·h at 50 pa.
Tear resistance
To EN 12310-1 (MD/ CD), 210/ 210 N/50mm.
To EN 12310-1 (MD/ CD), 210/ 210 N/50mm.
To EN 12310-1 (MD/ CD), 210/ 210 N/50mm.
CoverageArea
50 m².
50 m².
75 m².
Flexibility at low temperature
To EN 13859-1, -40°C.
To EN 13859-1, -40°C.
To EN 13859-1, -40°C.
Sustainability data
Contains Red List materials
No
No
No
Country of material origin
United Kingdom
United Kingdom
United Kingdom
Country of product manufacture
United Kingdom
United Kingdom
United Kingdom
Material
Polypropylene
Polypropylene
Polypropylene
Recyclability
Recyclable
Recyclable
Recyclable