Verified by manufacturer 4 months ago
Premium type LR roof underlay with high air and vapour permeability, for use in warm and cold pitched roof construction.
Warm and cold pitched roofing applications.
Glidevale Protect Viking Air is a new, premium type 'LR' roof underlay with high air and vapour permeability, for use in warm and cold pitched roof constructions, helping to avoid the risk of harmful condensation without the need for additional ventilation as permitted by the NHBC for a cold roof construction. Designed with market leading air permeability at 50 Pascals to BS EN 12114, the underlay also achieves wind uplift resistance to Zones 1-4* at 345 mm batten gauge to BS 5534, ensuring wide coverage across the UK and throughout Ireland.
*Meets Zones 1-4 at 345 mm batten gauge (resistance to wind pressure 1569 Pa) without the need for additional counter batten or integral tape. Achieves unrestricted use for wind uplift Zones 1-5 at 310 mm batten gauge (2121 Pa) or when installed on sarking board.
Features and benefits:
Beige upper surface, White lower surface
Product branding and a grid printed in black for ease of identification and cutting on site.
H67/110 Metal roof tiling
H61/5 Roof slating
H60/3 Roof tiling
H62/3 Roof slating
H64/10 Wood shingle/ shake roofing
H65/10 Reconstituted slate roof tiling
H60/120 Concrete roof tiling
H60/105 Clay roof tiling
H61/105 Roof slating
H62/125 Roof slating
H62/105 Roof slating
H62/145 Roof slating
H64/110 Wood shingle/ shake roofing
H65/135 Ceramic slate roof tiling
H65/105 Clay roof tiling
H65/115 Concrete roof tiling
H65/125 Reconstituted slate roof tiling
H67/5 Metal roof tiling
H65/5 Roof tiling
To BS EN 13859-1, BS 5250, BS 5534; NHBC STANDARDS.
Water vapour resistance to BS EN ISO 12572; 0.04 MNs/g and 0.008 Sd(m).
Resistance to water penetration to BS EN 1928
Triple ply construction incorporating hydrophobically treated melt-blown technology core, sandwiched between two layers of non-woven spunbond material
BM TRADA Certified.
9 kg per roll (1000 mm wide) or 13 kg per roll (1500 mm wide).
MD: 235 N; CD: 266 N.
To BS EN 12310-1 with mods (along roll).
@ 50 Pascals to BS EN 12114.
Wind uplift resistance (at 345 mm batten gauge) and 600 mm rafter centres.
Flexibility at low temperature
Water vapour resistance
0.04 MNs/g; 0.008 Sd(m).
Water vapour resistance to BS EN ISO 12572.
50 m² per roll.
75 m² per roll.
Contains Red List materials
Country of product manufacture
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