19 Non-metallic building materials, namely, fascia; non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal; advertisement columns, not of metal; alabaster; alabaster glass; angle irons, not of metal; aquaria, namely, decorative aquarium stones; aquarium gravel; aquarium sand; arbors made of wood; artificial stone; asbestos cement; asbestos mortar; asphalt; asphalt paving compositions; aviaries, not of metal; beacons, not of metal, non-luminous; beams, not of metal; bicycle parking installations, not of metal; non-metal bird baths; bitumen; bituminous coatings for roofing; outdoor blinds, not of metal and not of textile; branching pipes, not of metal; bricks; building glass; building panels, not of metal; building paper, namely, paper board for building; building stone; portable buildings, not of metal; buildings, transportable, not of metal; busts of stone, concrete or marble; cabanas not of metal; caissons for construction work under water; casement windows, not of metal;ceilings panels, not of metal; cement; cement for blast furnaces; cement for furnaces; cement posts; cement slabs; pre-fabricated chicken-houses, not of metal; chimney cowls, not of metal; chimney pots, not of metal; chimney shafts, not of metal; chimneys, not of metal; clay, namely, clash ash; coal tar; concrete; concrete building elements, namely, blocks, bricks, posts, slabs and panels; cornices, not of metal; crash barriers, not of metal, for roads; diving boards, not of metal; door frames, not of metal; door panels, not of metal; doors, not of metal; drain pipes, not of metal; drain traps, not of metal or plastic; duck boards, not of metal; ducts, not of metal, for ventilating and air-conditioning installations; fences, not of metal; fireclay; fireproof cement coatings; flashing, not of metal, for building; floating docks, not of metal, for mooring boats; floor tiles, not of metal; floors, not of metal; folding doors, not of metal; foundry molds, not of metal; framework for building, not of metal; gates, not of metal; geotextiles being erosion control fabric, mats and sheeting, not of metal; glass granules for road marking; granite; gravel; greenhouse frames, not of metal; greenhouses, transportable, not of metal; grout; gutter pipes, not of metal; gypsum; non-metal hips for roofing; insect screens not of metal; insulating glass for building; jalousies, not of metal; joists, not of metal; laths, not of metal; lengthening pieces, not of metal, for chimneys; letter boxes of masonry; lime; limestone; lintels, not of metal; lumber; macadam; magnesia cement; manhole covers, not of metal; manufactured timber; marble; masts, not of metal; memorial plaques of stone; moldable semi-worked wood; moldings, not of metal, for building; moldings, not of metal, for cornices; monuments, not of metal; mooring bollards, not of metal; glass mosaics for building construction; non-luminous and non-mechanical signs, not of metal; olivine for building; paint spraying booths, not of metal; palings, not of metal; non-metal pantiles; parquet floor boards; parquet flooring; partitions for building, not of metal; paving blocks, not of metal; penstock pipes, not of metal; pigsties, not of metal; pilings of wood, not of metal; pitch; planks; plaster; plywood; poles, not of metal, for electric power lines; porches, not of metal, for building; porphyry; posts, not of metal; potters' clay; potters' clay; prefabricated houses, not of metal; quartz; railroad ties, not of metal; refractory construction materials, not of metal; reinforcing materials, not of metal, for building; rigid pipes, not of metal; rocket launching platforms, not of metal; roof coverings, not of metal; roof flashing, not of metal; roof gutters, not of metal; roofing, not of metal; roofing, not of metal, incorporating solar cells; non-metal roofing shingles; roofing slates; safety glass for building purposes; sand, except foundry sand; sandstone for building; sandstone tubes; sawn timber; scaffolding, not of metal; shutters, not of metal; signaling panels, non-luminous and non-mechanical, not of metal; signs, non-luminous and non-mechanical, not of metal, for roads; silica stone; window sills, not of metal; silos, not of metal; silver sand; slag stone; slate; slate powder; pre-fabricated stables, not of metal; stained-glass windows; stair-treads not of metal; staircases, not of metal; statues of stone, concrete or marble; statuettes of stone, concrete or marble; stone; street gutters, not of metal; swimming pools not of metal; storage tanks of masonry; tar; tarred strips, for building; telegraph posts, not of metal;terra cotta; tiles, not of metal, for building; tomb slabs, not of metal; tombs, not of metal; tombs, not of metal; tombstone plaques, not of metal; tombstone stelae, not of metal; tombstones of stone, concrete or marble; trellises, not of metal; tufa; turnstiles, not of metal; burial vaults, not of metal; veneer wood; wooden veneers; vinyl siding; wainscotting, not of metal; wall claddings, not of metal, for building; wall linings, not of metal, for building; water-pipe valves, not of metal or plastic; water-pipes, not of metal; window frames, not of metal; window glass, except glass for vehicle windows; window glass, for building; windows, not of metal; wood for making household utensils; wood paneling; wood paving; wood pulp board, for building; wood, semi-worked; wooden floor boards; works of art of stone, concrete or marble; works of stonemasonry; xylolith being non-metal construction materials