... preservation WPC Crust Foam Board: 1, Basic material: WPC foam baord. 2, Surface: decorative3, Water-proof, sound-proof, heat insulation, heat preservation 4, can be construction by ... normal wood processing tools, can be drilled saw, nailed, dig, glue ect. 5, Widely use in bathroom,cabinet board New Produc---WPC Crust Foam Board