Classification Information
Building materials not of metal, made of plaster and plaster optionally with added fillers, namely, plaster wall boards and wall plates ; non-metallic building materials, namely, asphalt roof coatings, bituminous roof coatings, and wall tiles and wall plates partly consisting of plaster, molding plaster ; non-metallic building materials, namely, wall tiles, wall plates, wall panels, and Japanese style indoor sliding partitions of cast, molded or pressed shapes
Nonmetallic Building Materials