... 3. easy to install 4. beautiful and practical wpc ceiling: size:155.5*10mmcolor:gray,chocoalte,teak,red brown, ... heat insulation3,sound insulation4,can be drilled Advantages:WPC ceiling,Wood composite ceiling. environmental friendly products, hazardous material free,easy ... application 1.Environmental friendly WPC ceiling. 2.Can also use as indoor cladding items. 3 ...