19 Building timber; materials for making and coating roads; concrete building materials namely, blocks, bricks, posts, poles, slabs, panels; non-metal tiles; refractory materials, namely refractory blocks, refractory bricks, refractory castable mixes, refractory furnace linings, refractory mortars, refractory shapes; bituminous products for building; construction elements not made of metal, namely, shores, supports, braces; non-metal building materials, namely, soffits; geotextiles, namely, fabric and sheeting for nursery, greenhouses, and landscaping; fiberglass building elements; portable non-metal buildings; prefabricated non-metal buildings; glass blocks for building; framework for building, not of metal; binding material for road repair