Building products made by the extrusion of synthetic plastics; building products made by the moulding of synthetic plastics; decorative building products manufactured from plastics; non-metallic building products; timber building products; cladding, not of metal, for building; interior wall cladding of non-metallic materials; internal wall cladding of non-metallic materials; mouldings of non-metallic materials for cladding buildings; non-metallic building materials for use in cladding; non-metallic cladding board; non-metallic cladding for buildings; non-metallic cladding for ceilings; non-metallic cladding for facades; non-metallic cladding for walls; non-metallic cladding materials; non-metallic cladding panels; non-metallic cladding panels for roofs; non-metallic cladding panels for walls; non-metallic cladding sheets; non-metallic decorative claddings; non-metallic internal wall cladding; non-metallic panels for interior cladding on buildings; non-metallic panels for outer cladding on buildings; non-metallic wall claddings; wall claddings, not of metal, for building