... ', 4' * 250' 3 fireproof,heat insulation Name:Alu woven fabric super Insulation material Structure:Alu foil/Woven fabric/Alu foilMax Width ... (1) Roof,Underlay,Under Concrete&floor Insulation(2)Attic,Crawl Space,Stud Wall,Metal Frame Building Insulation2 Wrapping(1) Protective coating ... ) Shells of air conditioner and water heater Alu woven fabric super Insulation material