Metal building materials and metal building products included in this class; roof and wall covering materials of metal; metal roofing, decking, shuttering and wall covering in sheet, strip or profiled form; metal roof gutters and fascias; metal parts and accessories included in this class for roof and wall covering or fixing; partitions, ceiling and ceiling systems and lining of metal or partly of metal included in this class; metal structural members, metal frames for building; metal formwork for concrete including metal formwork panels; metal flooring systems; metal flooring parts, components and accessories including metal bearers and joists