Classification Information
Building timber; plywood; veneer for floors; wood panelling; wood veneers; slate; plaster boards; cement; concrete building materials, namely, blocks, bricks, posts, slabs, panels; cement slabs; ceramic tiles; refractory construction materials, not of metal; waterproofing membranes for roofing, floors and walls; prefabricated non-metal buildings; building glass; works of art of stone, concrete or marble
Nonmetallic Building Materials