A type LR pitched roofing underlay with high vapour permeability, for use in warm and cold roof constructions.
A type LR pitched roofing underlay with high vapour permeability, for use in warm and cold roof constructions.
Grey
Grey
Embossed
Embossed
Polypropylene
Polypropylene
Rectangle
Rectangle
50000 mm
50000 mm
1000 mm, 1500 mm
1000 mm, 1500 mm
Specification
To BS EN 13859-1, BS 5250, BS 5534; NHBC STANDARDS.
To BS EN 13859-1, BS 5250, BS 5534; NHBC STANDARDS.
BM TRADA Certificate.
BM TRADA Certificate.
-
-
Water vapour resistance to BS EN ISO 12572; 0.08 MNs/g and 0.016 Sd.
Water vapour resistance to BS EN ISO 12572; 0.08 MNs/g and 0.016 Sd.
W1.
W1.
Polypropylene.
Polypropylene.
Non-woven, spun bonded.
Non-woven, spun bonded.
170 g/m².
170 g/m².
0.78 mm.
0.78 mm.
None.
None.
Additional properties
Manufacturer's standard.
Manufacturer's standard.
Manufacturer's standard.
Manufacturer's standard.
-40°C.
-40°C.
Zones 1–5.
Zones 1–5.
1500 mm.
1000 mm.
50 m.
50 m.
Sustainability data
No
No
United Kingdom
United Kingdom
Polypropylene
Polypropylene