19 Non-metallic minerals for building or construction; ceramic building materials, namely, ceramic tiles, flooring and slabs; bricks and refractory products, namely, fired refractory materials, not of metal; building materials made of linoleum, namely, veneers for fixing to existing walls or floors; plastic building materials, namely, veneers; building materials made of synthetic materials, namely, synthetic flooring materials and wall-claddings; asphalt, and asphalt building or construction materials, namely, asphalt-based coatings, patching compounds and sealants for use on roofs, walls and pavements; rubber building or construction materials, namely, rubber flooring; plaster for building purposes; lime building or construction materials; building or construction materials of plaster, namely, plaster boards, facing plaster; portable buildings, not of metal; building timber; building stone; vinyl sheets, namely, veneer for use in decorating walls for building or construction; sheets of wood for building purposes, namely, boards of wood; wall boards for building purposes, not of metal; building glass; vinyl flooring; vinyl floor tiles; non-metallic building materials for wooden flooring, namely, wooden floor boards; wooden floor boards; slabs, not of metal, for building; spackling compound for use in surface preparation of walls, floors and other building surfaces; building seam tapes; building flashing seam tapes; curing tapes, namely, plastic building materials for use in temporary surface protection of walls, floors and other building surfaces; wall panels, not of metal; cushioning materials for use in the construction of walls, not of metal, namely, vinyl wall base boards and skirting-boards, wallboards, wall tiles, and wall panels; building panels, not of metal; decorative moldings, not of metal, for building; wood trim baseboards, not of metal; vinyl building materials, namely, vinyl siding, vinyl tiles; fireproof decorative boards of melamine resin, namely, boards for wall, ceiling or floor for building purposes; wooden materials for use in the construction of walls, namely, wooden wall boards, wooden wainscoting; building panels of stone; decorative glass for building; partitions made of glass for building; glass panels for building construction purposes; building glass for walls; building glass for use as materials in wall construction