Roof Vapour Barrier Foil

Roofing vapor retarder air barrier.

Roof vapour barrier foil.

Cold adhered asphalt adhered. Extruded polystyrene or foil faced foam board. A vapour barrier made of aluminium foil can be used on all unventilated and ventilated roofs i e. Our radiant barrier does not tear or rip it s super strong.

Many films are water vapour proof and also provide good wind insulation. It is ideal for insulating apartments in the attic or facades. The seams must be sealed with tape and the edges of the foil should overlap a little a few inches. Sopravap r is an sbs modified bitumen vapor barrier for use in approved multi ply membrane and flashing assemblies.

A vapor barrier or vapour barrier is any material used for damp proofing typically a plastic or foil sheet that resists diffusion of moisture through the wall floor ceiling or roof assemblies of buildings to prevent interstitial condensation and of packaging technically many of these materials are only vapor retarders as they have varying degrees of permeability. Sopravap r is composed of a. Order a free sample and test it yourself. Astm d2178 astm e96.

There are a wide number of materials available to create effective vapour barriers including. This can be attached with staples beneath the rafters or trusses on the inside. A vapour barrier can easily be realised with a plastic foil like polythene at least 0 2 mm thick.