Classification Information
Concrete; Aggregate materials for use in the production of concrete composed of a blend of pulverized paper, cardboard, plastics, construction and demolition waste, textiles, shoes, and wood; Concrete building elements, namely, blocks, bricks, posts, slabs, panels, walls, and poles; Concrete building materials, namely, blocks, bricks, posts, slabs, panels, walls, and poles; Concrete bricks for building; Concrete walls for construction purposes; Aggregates for use in the preparation of concrete; Non-metal casting forms for concrete; Self-levelling concrete for use in building construction
Nonmetallic Building Materials