... 40m 3, Feture: Light,heat insulant Name: aluminium bubble foil insulation Structure:Alu Foil+Bubble+Bubble+Alu Foil Bubble size:2.5-8 mm *10 / 20 mm ... Equipment Application: 1 Building Thermal Insulation Material(1),Roof,Underlay,Under Concrete & floor Insulation; (2),Attic,Crawl Space,Stud ... Pipe;(2),Shells of air conditioner and water heater. Bubble Foil Insulation Material/New Construction Material