Name: Flooring Underlayment Structure :Aluminum Foil+EPE foam Description: Our Single Foam Foil Insulation Material consists of one layer high reflective 97% aluminum foil and one Layer Close-cell foam . Reducing Heat and cold loss.Working Principle:1.The aluminium foil can reflective 97% radiant Heat and Cool .2. The Tiny air cell can slow down the heat conduction and block heat convectionTecnology Data:Technolody DataItem Data UnitWidth of roll1.25mLength of roll150mThickness2mmRemarks : can Range from 2 to 10mmDiameter70cmcoverage187.5m2Weight15kgTemperature: -50°C TO 80°CEmissivity 0.03Reflectivity 97%Linear ShrinkageNoneDelaminationNoneCorrosionNone Fungi ResistanceNo GrowthWater Vapor Permeance:100% WaterproofApplication:1. Can works well works well in both extreme cold andHot climate ,2. in Roof , Wall , Ceiling , Floor , Attics, ,Pole Barn, Crawl Space,Wall System, Basement,Garage, Freezer,Air-condition Pipe,3. suit forMentel Building structure .Benefits:1. aluminium foil ,can Reflective radiant heat and cold2. the closed-cell foam , can slow down the heat transfer and block the heat convection3. it will not absorb any water ,Be unaffected by the humidity and moister .4.be cut easily(knife) ,be fixed conviently (paste, staple ) ,DIY by yourself5.don’t leak when fixed and will not become thinner with time going .6. Non-toxic , recycled materials,Resuable Material7. cheap and Economic, healthy and environmental8. keep cool and Dry in Summer ,Keep warm and dry in Winter