... 3, Feture: Light,heat insulant Name: aluminium bubble foil insulation Structure:Alu Foil+Bubble+Bubble+Alu Foil Bubble size:2 ... breathing Equipment Application: 1 Building Thermal Insulation Material(1),Roof,Underlay,Under Concrete & floor Insulation; (2),Attic,Crawl Space,Stud ... Wall ,Metal Frame Building Insulation. 2 Wrapping (1),Protective coatings of ventilating pipe,HVAC ...