Non-metallic building products; stone; natural stone; artificial stone; concrete; concrete aggregate; concrete building elements; coloured stone materials for use in paving; concrete paving blocks; coping stones; copings of non-metallic materials; concrete paving elements; non-metallic tiles; stone tiles; stone for building; concrete paving stones; decorative paving stones; luminous paving; non-metallic composite structures for paving of surfaces; non-metallic fabrics for use with paving materials; non-metallic materials for use in paving; non-metallic paving materials; non-metallic paving products; non-metallic reinforcement fabrics for asphalt paving; paving blocks made of non-metallic materials; paving blocks, not of metal; paving made of non-metallic materials; paving non-metallic materials; paving slabs, not of metal; paving stones; synthetic paving composites; wood paving; building products made by the extrusion of synthetic plastics; building products made by the moulding of synthetic plastics; building products of slate; decorative building products manufactured from plaster; decorative building products manufactured from plastics; non-metallic building products; timber building products; articles of artificial stone for building purposes; articles of cement for building purposes; articles of ceramics for building purposes; articles of concrete for building purposes; articles of earthenware for building purposes; articles of glass for building purposes; articles of natural stone for building purposes; articles of wood for building purposes; building elements made of concrete; building elements made of non-metallic materials; building products of slate; building sand; building stone; building timber; clay building elements; surface coatings in the nature of building materials; timber building products; asphalt paving; stone veneer; stone for walls; works of stone masonry; wall decorations of stone; wall decorations of concrete (parts of buildings); mixtures of cement, sand and stone material; manufactured stone; coatings to protect stone from water (building materials, other than paints or oils); compositions for the repair of concrete (not in the nature of paint); articles of concrete for construction and building purposes; coating compositions for application to concrete (building materials, other than paints or oils); concrete prefabrications; concrete wall stone; ready to use concrete; sands for use in preparing concrete; concrete slabs; concrete toppings; concrete reinforced with synthetic fibres; concrete products for use in walkways; concrete provided with decorative surface finishes; light concrete stones; liquid applied coatings for concrete (not paints); non-metallic materials for use in concrete forming; non-metallic sheeting for use in making concrete components; concrete balancing mortar; underlays for tiles; building products made by the extrusion of synthetic plastics; building products made by the moulding of synthetic plastics; building products of slate; decorative building products manufactured from plastics