Classification Information
Materials and elements for construction and building, not of metal; building and construction materials and elements made of sand, stone, rock, clay, minerals and concrete; building and construction materials and elements made of wood and artificial wood; rigid pipes, not of metal [building]; asphalt, pitch and bitumen; transportable buildings, not of metal; doors, windows and coverings for windows, not of metal; monuments, not of metal; ceramic tiles and slabs; paving; ceramic pavings and coverings; sandstone pavings and coverings; valances, not of metal, non-textile.
Nonmetallic Building Materials