Non-metallic building materials; non-metallic rigid pipes for building, including pipes made of composite materials, sandstone pipes, ceramic pipes and plastic pipes; asphalt, pitch and bitumen; non-metallic transportable buildings; non-metallic monuments; concrete; concrete building elements; shuttering, not of metal, for concrete; cement; cement coatings for concrete building elements; non-metallic shuttering for concrete; cement; fireproof cement coatings; cement slabs; coatings (building materials); mortar for building use; pilings, not of metal; building panels, not of metal; building stones; non-metallic coverings, linings and surfacings for building use; (except foundry sand); gypsum; silica (quartz)