Building materials, not of metal, namely, non-metal unitized curtain walls; coatings being building materials, namely, heat adhesive surface coatings, non-metal cladding, surface coatings for protection against moisture and bituminous roof coatings; construction materials, not of metal, namely, non-metal facade panels of construction purposes and glass for building; planks of wood for building; refractory construction materials, not of metal; rigid pipes, not of metal, for building; bituminou...