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Multivap 350 Low Vapour Resistance Underlay (45m x 1m)

Multivap 350 Low Vapour Resistance Underlay  (45m x 1m)

Three layered multi-use polypropylene membrane with high permeability and excellent watertightness. Light grey top surface. For cold vented, non-vented, warm deck and hybrid roofs.

Benefits of Multivap 350 :

• BBA and IAB certified for use in both ventilated and non-ventilated, warm and cold roof constructions
• Very tough, durable and lightweight
• Stable over a wide temperature range
• Non-reflective top surface
• Waterproof, rotproof and UV stable (as per BBA Certificate)
• Suitable for tiling, slating and metal tiling systems in new build, refurbishment and conservation projects
• Easy to handle and fix

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