Non-metallic building materials namely, lintels, building blocks, bricks, slabs, panels, aperture surrounds, foundations, roof, roof supports, floors, walls, ceilings, cement, motar, cladding; building elements, namely, blocks and slabs composed primarily of rubber and cement; adhesive mortar for building purposes; non-metallic blocks for construction; non-metallic building sections, namely, lintels, building blocks, bricks, slabs, panels, aperture surrounds, foundations, roof, roof supports,...