... : Light,heat insulant Name: aluminium bubble foil insulation Structure:Alu Foil+Bubble+Bubble+Alu Foil Bubble size ... 40m/roll Feature: 1Waterproof, heavy duty, clean, light, flexible, non-absorbent surface2 Fire resistant & antiglare3Recyclable, environmentally friendly4Effective ... ,Metal Frame Building Insulation. 2 Wrapping (1),Protective coatings of ventilating pipe,HVAC Duct & Pipe;(2),Shells ...