Classification Information
Bricks; Slate; Arbors, not of metal; Floor boards, not of metal; Glass for building; Prefabricated non-metal houses; Roof coverings, not of metal; Roofing, not of metal, incorporating photovoltaic cells; Statues of stone, concrete or marble; Transportable buildings, not of metal; Windows, not of metal; Wooden flooring
Nonmetallic Building Materials