19 Adhesive mortar for building purposes; Asbestos mortar; Asphalt; Asphalt roof coatings; Asphalt roofing felt; Bitumen; Bitumen-based sealants for roofing; Bituminous coatings for roofing; Bonding mortar for building purposes; Brackets, not of metal, for building; Building material, namely, plastic webbing material used to reinforce bituminous waterproofing sheets; Building material, namely, plastic webbing material used to reinforce bituminous waterproofing sheets; Building materials, namely, cellular PVC trim; Building materials, namely, plastic pipe supports; Building materials, namely, pre-cast concrete wall forms; Building panels, not of metal; Cement; Cement aggregates; Cement mixes; Cement pipes; Cementitious material for building purposes; Cladding, not of metal, for building; Concrete; Concrete pipes; Drain pipes, not of metal; Facing mortar; Gravel; Gypsum for use as building materials; Lime building materials; Lime building materials; Monuments of stone; Mortar for building; Mortar mix; Non-metal building materials, namely, soffits; Non-metal construction materials, namely, natural and artificial stones; Non-metal gutter pipes; Non-metal mantels for fireplaces; Nonmetallic construction materials, namely, drain bases and grates; Pipes of earthenware; Pitch; Plaster for building purposes; Portland blast-furnace slag cement; Portland cement; PVC roofing membrane; Ready to use concrete; Reinforcing materials not of metal for building purposes; Reinforcing materials, not of metal, for building; Rigid pipes, not of metal, for building; Roof coverings, not of metal; Roof gutters, not of metal; Roofing fabrics; Roofing felts; Roofing membranes; Slag stone; Slag-lime cement; Tar-based sealants for roofing.