... Water-proof and soundproof 2,Sound insulation 3,Anti-aging 4,Environmentally-frien 1) Product Features: Air- ... proof, Water-proof, sound insulation, thermal insulation, Anti-aging, Good combustion-retarding performance, Resist impacts, Easy maintainance2 ... Air-proof, Water-proof, sound insulation, thermal insulation, Anti-aging, Good combustion-retarding performance, Easy maintainance,8) Packing ...