Commercial grade double Sided Foil PE Weave Insulation. It is made from 2 layer pure aluminum foil and 1 layer PE weaven facing bonded together with polyethylene. It is ideally used as sarking and insulation under roofs, in walls behind cladding or under timber floors, for residential and commercial building. Combining with glasswool / foam insulation, it is excellent as a vapor barrier for air-conditioning ducts, pipes and vessels.