Aluminum Foil Fiberglass Cloth Reflective Waterproof Heat Insulation 0.4mm Product Description Aluminum foil fiberglass cloth is a laminated reflective insulation material made of a fiberglass cloth base bonded with an aluminum foil layer. It is also known as aluminum foil fiberglass fabric, laminated aluminum foil cloth and reflective foil glass cloth. Structure: aluminum foil + fiberglass cloth + adhesive, laminated into one sheet. The silver mirror surface gives a high