Non-metallic composite boards; Non-metallic composite materials for use in building; Acoustic panels (other than for insulation); Building panels, not of metal; Non-metallic panels for building; Non-metallic panels for covering walls; Non-metallic panels for doors for buildings; Non-metallic panels for interior cladding on buildings; Non-metallic panels for outer cladding on buildings; Non-metallic panels for partitions; Non-metallic panels for use in building; Non-metallic panels for use in construction; Non-metallic panels for walls; Non-metallic preformed building panels; Cladding, not of metal, for building; Non-metallic cladding panels