19 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; bituminous products for building, namely, shingles; bitumen paper for building; buildings, transportable, not of metal; monuments, not of metal; works of stonemasonry, namely, stone for building and construction; manufactured timber; concrete building elements, namely, blocks, panels, floors, pipes, beams and footings; mouldable wood, namely, wood epoxies and wood fillers; wooden floor boards; wall linings, not of metal, for building, namely, wall claddings and unitized curtain walls, not of metal for building; floors, not of metal; moldings, not of metal, for building, namely, moldings, not of metal for cornices and building facades; framework, not of metal, for building; palisading, not of metal; palisading, not of metal; windows, not of metal; duckboards, not of metal; door frames, not of metal; posts, not of metal; roofing, not of metal; roof coverings, not of metal; building panels, not of metal; pillars, not of metal, for building; girders, not of metal; partitions, not of metal, for building; linings, not of metal, for building, namely, claddings and unitized curtain walls for building; refractory construction materials, not of metal; fire burrs being stone for building and construction; building glass; grout; building cardboard, namely, hardboard and fiberboard; building stone; planks of wood for building; building timber; binding agents for making stones, namely, cement aggregate; gates, not of metal; roof flashing, not of metal; gravel