... vinyl flooring 100% waterproof, environmental protection (E1), AC5, click system, sound reduction(-30DB) vinyl flooring1.100% waterproof & enviormental ... hollowed structure).4. Easy-to-clean (washed by wateror detergent).5. Easy-to-install (click system over 4 sides, without ... and wet conditon, and outdoor temperatures range from -20 to 100 Celsius.8. Mold proofing, worm-preventing, anti-corrosion ...