19 Building materials, non-metallic, namely, fascia, fiberglass panels, floor boards, cement mixes, roofing cement, hydraulic cement, mortars, mortar mix; non-metallic rigid pipes for building; asphalt; pitch; non-metallic transportable buildings; monuments, not of metal; lintels, not of metal; reinforcing materials, not of metal, for building; building platforms, prefabricated, not of metal; crash barriers, not of metal, for roads; concrete; reinforcing materials, namely, shuttering, not of metal, for concrete; caissons for construction work under water; cement; water-pipes, not of metal; ducts, not of metal, for ventilating and air-conditioning installations; penstock rigid pipes for construction purposes; rigid pipes, not of metal; roofing, not of metal, incorporating solar cells; non-metal roofing; buildings, transportable, not of metal; portable, prefabricated buildings, not of metal; concrete building elements, namely, pre-cast concrete wall forms, concrete stair treads, concrete poles for use as building materials; building materials, namely, coatings in the nature of asphalt-based coatings and sealants for use on roofs, walls and pavements; Bituminous coatings for roofing; Fireproof cement coatings; cement slabs; paving slabs, not of metal; building slabs, not of metal; paving blocks made of non-metallic materials; road coating materials, namely, tar and pitch; asphalt paving compositions; bricks; moldings, not of metal, for forming cement posts, wall panels for building; framework for building, not of metal; non-metal posts; building panels, not of metal; macadam; porches, not of metal, for building; wall tiles, not of metal, for building; bituminous products for building, namely, bituminous coatings for roofing; joists, not of metal; fences, not of metal; bituminous coatings for roofing; surfacings, not of metal, for building, namely, manufactured cement, marble, stone; veneer for use on floors, walls, exterior surfaces; wall claddings, not of metal, for building; staircases, not of metal; liquid storage tanks of masonry, storage tanks of masonry, and water tanks of masonry for household purposes; ceilings, not of metal; door and window sills, not of metal; non-metal roofing tiles; partitions, not of metal, for building; non-metal beams; rigid pipes, not of metal, for building and construction purposes; water-pipe valves, not of metal or plastic; swimming pools, not of metal; building glass; stained-glass windows; tar-based concrete and asphalt patching compounds, tiles of clay, glass, gypsum, ceramic or earthenware for walls, floors and ceilings; granite, marble, lumber, bricks, wood and concrete beams, planks, non-metal suspended ceiling systems comprising panels; door panels, non-metal roofing panels; floor panels; building glass, namely, window glass, safety glass, glass blocks for building, glass tiles, glass panels