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 2500Pa pressure
Embossed grey upper surface printed with blue product branding for ease of identification. Black lower surface.
1.0 x 50 m
1.5 x 50 m
J42/110 Warm deck roof covering
J42/130 Cold deck roof covering
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.
Installed below the primary roof covering onto rafters or sarking board, can also be used as a breather membrane on walls.
Glidevale Protect VP400 Plus
To EN 12310-1 with mods along roll
To EN 12310-1 with mods across roll.
325 N/50 mm.
Unaged tensile strength to BS EN 12311-1 with mods, along roll.
305 N/50 mm.
Unaged tensile strength to BS EN 12311-1 with mods, across roll.
290 N/50 mm.
Aged tensile strength to BS EN 12311-1 with mods, along roll.
295 N/ 50 mm.
Aged tensile strength to BS EN 12311-1 with mods, across roll.
Flexibility at low temperature
Wind uplift resistance (at 345 mm batten gauge) and 600 mm rafter centres - 1676Pa
Contains Red List materials
Country of product manufacture
Glidevale Protect 5000 Façade Wall Membrane
Glidevale Protect FCM750 Floor Cassette Membrane
Glidevale Protect TF Interfoil
Glidevale Protect TF200 Extreme Breather Membrane
Glidevale Protect TF200 Thermo Breather Membrane
Glidevale Protect TF200 Thermo Extreme Breather Membrane
Glidevale Protect TF200® Breather Membrane
Glidevale Protect Viking Air
Glidevale Protect VP300
Glidevale Protect Zytec®
© 2021 NBS Enterprises Ltd. All rights reserved.