Verified by manufacturer 2 months ago
1000 mm-wide rolls
A type LR pitched roofing underlay with high vapour permeability, for use in warm and cold roof constructions.
Suitable for use across all pitched cold and warm roofs to provide a secondary line of defence against wind-driven rain and snow.
Protect VP400 PLUS LR is a highly-vapour-permeable roof underlay. It offers low vapour resistance, helping to avoid the risk of harmful condensation, whilst remaining completely airtight.
Features and benefits:
*through the body of the material at 2500 Pa pressure
Embossed grey upper surface printed with blue product branding for ease of identification. Black lower surface.
Supplied as a Roll
H67/110 Metal roof tiling
H67/5 Metal roof tiling
H65/135 Ceramic slate roof tiling
H65/125 Reconstituted slate roof tiling
H65/115 Concrete roof tiling
H65/105 Clay roof tiling
H65/10 Reconstituted slate roof tiling
H65/5 Roof tiling
H64/110 Wood shingle/ shake roofing
H64/10 Wood shingle/ shake roofing
H62/145 Roof slating
H62/125 Roof slating
H62/105 Roof slating
H62/3 Roof slating
H61/105 Roof slating
H61/5 Roof slating
H60/120 Concrete roof tiling
H60/105 Clay roof tiling
H60/3 Roof tiling
To BS EN 13859-1, BS 5250, BS 5534; NHBC STANDARDS.
Water vapour resistance to BS EN ISO 12572; 0.08 MNs/g and 0.016 Sd.
Resistance to water penetration to BS EN 1928
>7.0m hydrostatic head of water resistance
Non-woven, spun bonded.
Triple ply construction with waterproof and vapour permeable core, laminated and protected between two layers of non-woven spunbond material
BM TRADA Certificate.
9.68 kg per roll (1000 mm wide) or 14.81 kg per roll (1500 mm wide).
Flexibility at low temperature
Wind uplift resistance (at 345 mm batten gauge) and 600 mm rafter centres - 1676Pa
50 m² per roll.
Contains Red List materials
Country of product manufacture
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