Non-metallic building materials, namely, building panels of fiberglass, building tiles, of fiberglass; building slabs of fiberglass, ceilings, ceiling tiles, panels and slabs, wall panels, slabs and tiles, claddings, linings in the nature of ceramic tiles and fibreglass tiles for flooring; coatings for walls and ceilings, namely, sealer coatings used as an integral component of non-metal tiles; facings for building materials, namely, ceramic tiles for flooring and facing and plaster and fiber...