Exterior cladding for building, not of metal; coverings for buildings, not of metal in the nature of non-metal roof coverings; fire-resistant boards and panels, not of metal, for building; nonmetallic ceiling building materials, namely, ceilings not of metal, ceiling panels not of metal; refractory construction materials, not of metal; flooring, namely, floors not of metal; exterior wall component materials, not of metal, namely, wall claddings for building, wall panels; building panels, not ...