Medium weight vapour permeable roof underlay.
It is suitable for all pitched roofs, particularly fully supported applications, to provide a secondary line of defence against wind-driven rain and snow, and reduce wind uplift loads on the roof covering. Can also be used as a temporary roof covering before the slates or tiles are applied.
Protect VP300 is a medium weight vapour permeable roof underlay with a vapour resistance better than that required by BS 5250. Protect VP300 is both CE marked and BM TRADA certified and provides an economic solution when the highest specification of roof underlay such as VP400 PlusLR is not required.
Features and benefits:
Embossed grey upper and grey/white lower surface. Printed with product branding for ease of identification.
1.0 x 50 m
1.5 x 50 m
J42/110 Warm deck roof covering
J42/130 Cold deck roof covering
BS 5250, BS 5534, NHBC STANDARDS.
Water vapour resistance to BS EN ISO 12572; 0.17 MNs/g and 0.022 Sd. Wind Uplift Resistance to BS5534 Zones 1-3 (345mm batten gauge)
>2.0m hydrostatic head resistance.
Installed below the primary roof covering onto rafters or sarking board, can also be used as a breather membrane on walls.
To EN 12310-1 with mods, along roll.
To EN 12310-1 with mods, across roll.
225 N/50 mm.
Unaged tensile strength to EN 12311 with mods, along roll.
160 N/50 mm.
Unaged tensile strength to EN 12311 with mods, across roll.
190 N/50 mm.
Aged tensile strength to EN 12311 with mods, along roll.
130 N/50 mm.
Aged tensile strength to EN 12311 with mods, across roll.
Flexibility at low temperature
Wind uplift resistance at 345 mm batten gauge and 600 mm rafter centres.
Contains Red List materials
Country of product manufacture
Recycled materials will vary.
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