... D-for wall cladding 1. fireproof:It reaches the standard of GB8624, CLASS A, British standard 476: part7:1997, and part 4 ... :It can keep its shape and character after soaking in water for a few days.3. Soundproof and heat preservation4. No asbestos5 ... 100% green boards6. Easy to install:It can be treated in the way of sawing, planning, drilling, nailing and cutting etc.Test ...