Common metals and their alloys; metal building materials; metal materials for flooring; metal framework for flooring; metal joints; screed rails made of metal; metal formwork for flooring; metal fittings for buildings; joists of metal; rails of metal

Non-metallic building materials; flooring; non-metallic materials for flooring; non-metallic rails and screed rails; concrete screed rails; cementicious floor coatings; non-metallic building framework; non-metallic framework