Non-metallic building materials, namely, flooring, floorboards, wall and ceiling panels, flooring, wall and ceiling underlayments and accessories for its installation, namely, non-metal wainscotting, wood joints, expansion joints of non-metallic materials for use in construction, moldings not of metal, fireproof seals in the nature of building materials and stair-nose, non-metallic floors, wooden floors, parquet floors of wood, laminated floors of wood and derived wood products, floor coverings of wood as well as derived wood products, namely, laminate flooring, solid wood flooring, hardwood flooring, engineered wood flooring, tongue and groove wood flooring, bamboo flooring, other kinds of flooring based on fiber or chips of wood; floor coverings not of metal, namely, vinyl flooring, PVC flooring, floor tiles of cork, wood and plastic composite flooring, non-metal floors comprised primarily of linoleum, ceramic floor tiles, stone floor tiles, porcelain floor tiles; coverings for building not of metal, namely, panels for interior and exterior floor, wall and ceiling covering; building materials, namely, vinyl siding; non-metallic materials for floors, namely, flooring underlayments and accessories needed for the installation of floor coverings, namely, non-metal flooring materials; non-metallic floor panels, floor boards of wood