1, Water-proof, sound-proof, heat insulation, heat preservation 2, can be drilled saw, nailed, dig, glue ect. 1,PVC foam board has characters like being soundproof,sound absorption,heat insulation, heat preservation2,Our board has characters fire resistance, it can be self extinguishing ,can be used safely3,It’s enviromental and nontoxic, does not include formaldehyde etc. harmful gas ,it can be ...