Metal in the form of sheets, coils, strips, plates, bars, rods, slabs and ingots; precoated metalsheets, coils and strips including prepainted metal sheets, coils and strips; metal building materials including components of roofing systems, roof flashings, hips for roofing, wall sheeting and roofing, guttering and ceiling panels; gutter plugs; metal roof and wall cladding, ceiling panels, ceiling battens, trusses, purlins, structural decking, roof and floor decking, metal formwork and reinforcing materials for buildings, metal mesh, expanded metals, facias, ridge capping, metal channels, metal angles; knobs, bolts; nuts, bolts, screws, rivets, nails, brackets, clips and clamps, all of metal

Non-metallic building materials, being components of roofing systems; non-metallic roof flashings, hips for roofing, roof cladding, roof lining; guttering and ceiling panels; gutter plugs non-metallic accessories for the foregoing