Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; buildings, transportable, not of metal; monuments, not of metal; pipes of plastic, profiles of plastic, plastic mouldings and plastic boards, all included in this class; foundry moulds, not of metal; pipework of plastic; floor-heating pipes of plastic, composite and multilayered pipes of plastic; tiles of plastic; flooring tiles of plastic; profile strips of plasti...