It is  a medium duty, housing Grade D/S Foil insulation. It is made from 2 outer layer of pure aluminum foil and 1 layer natrual kraft paper. These layers are bonded together with polyethylene and reninforced with 3-way fiberglass srim.It is used as insultaion under roofs,in walls behind cladding of under timber floors, for residential and commercial building. Combining with glasswool or foam insulation, it is excellent as a vapor barrier for air conditioning ducts,pipes and vessels. It can be offered double sided or single sided, different weight and size as clients' request.