... 40M Length This is a new environmentally-friendly heat insulation material ,Which is soft,litht and easy to install ... ,fire,retardant,easy to install; Heat reflection,heat insulation,sound insulation,anti-radiation,anti-vibration,and shielding; Moisture,bNo ... heatpreservation,energy saving…; Summer:moisture barrier,sun-proof,heat insulation,saving energy consumed by cool air conditioning; Winter:heat ...