19 Building materials, not of metal; bitumen; asphalt paving; balustrading; swimming pools [structures], not of metal; joists, not of metal; concrete; concrete building elements; wood panelling; shuttering, not of metal, for concrete; goods of bitumen for building; gates, not of metal; fire burrs; cement; roofing tiles, not of metal; bitumen coverings for roofs and other roofing materials not of metal; chimney cowls, not of metal; lumber for building purposes; timber boarding; drainage pipes, not of metal; manufactured timber and veneer wood; worked timber; doors, not of metal; façades, of ceramic; facades of glass; wood veneers; door frames, not of metal; gypsum; shingle; granite; building stone; building paper; angle irons, not of metal; shaped sections, not of metal; chimneys, not of metal; paving stones; buildings, not of metal; buildings, transportable, not of metal; paving stones, not of metal; luminous paving blocks, not of metal; latticework, not of metal; trellises, not of metal; hips for roofing; wainscotting, not of metal; laths, not of metal; laths, of timber; marble; mosaics for building; fireplace surrounds; door frames, not of metal; shutters, not of metal; facings, not of metal, for building; refractory construction materials, not of metal; fences, not of metal; windows, not of metal; parquet flooring; sand for use in construction; floor boards and tiles, not of metal; panels for building, not of metal; slabs, not of metal; pvc sheets and bitumen plates; tiles of ceramic for covering walls and floors; heat sealable roofing, seamless roofing; wall linings, not of metal, for building; space dividers [structures], not of metal; penstock pipes, not of metal; chimney pipes; water pipes, not of metal; outdoor blinds, not of metal and not of textile; gutter pipes, not of metal; plywood; wood-based building materials; partitions, not of metal; window sills; wall linings, not of metal; drain pipes, not of metal; gutters; roof gutters, not of metal; gutters, not of metal; staircases, not of metal; masts [poles], not of metal; bonding mortar for building purposes; stair-treads [steps], not of metal; ceilings, not of metal; ceilings, not of metal; polystyrene blocks; fireclay; window glass and building glass; glass reinforced; insulating glass for building; glass for building; heat-insulated glass; pilings, not of metal; terra-cotta [building material]; lime; manhole covers, not of metal; wainscotting, not of metal; mortar; tanks of masonry; roller shutters (non-metallic -); slag [building material]; gravel; internal partitioning made of non-metallic materials.