... , environmental protection (E1), abrasion resistance(AC5), easy-to-install (click system), sound reduction, etc. 1.100% waterproof & environmental protected. It ... -clean (washed by water).5. Easy-to-install (click system over 4 sides, without the using of keels, nails, ... . Radiant-heated flooring. it won't expanse and contact, as well as odorless. Range of application: kitchen, bathroom, swimming pool, ...