19 Paving blocks, not of metal; blocks made from natural stone for building; non-metallic blocks for building construction; non-metallic chimney blocks; paving stones; fireplace surrounds being mantles and mantlepieces of stone; non-metallic suspended ceiling systems comprising panels; non-metallic building sections in the nature of building panels; facade construction components of non-metallic materials, namely, non-metal railings and façade panels for construction purposes; slabs, not of metal, for building; non-metallic building facade elements, namely, non-metal façade panels for construction purposes; facade elements of non-metallic materials, namely, non-metal façade panels for construction purposes; facades of non-metallic materials, namely, non-metal façade panels for construction purposes; building fronts, namely, non-metallic façade panels for construction purposes; stone slates; natural stone slabs for building; glass slabs for use in building; granite; slate; alabaster; xylolith, namely, magnesia cement; sandstone for building; quartz; marble; marble for construction; cladding, non-metallic, for building; construction materials of artificial stone, namely, artificial building stone and artificial stone veneers; construction materials of natural stone, namely, building stone and stone veneers; materials, not of metal, for construction, namely, magnesia cement and fiberglass board; synthetic flooring materials or wall-claddings; floors, not of metal; building panels, not of metal; non-metallic cladding panels for building; wall panelling made of non-metallic materials for building; ceiling coffers of non-metallic materials, namely, ceiling panels not of metal; ceramic paving tiles and surfacing tiles; stoneware paving blocks and surfacing blocks; cladding panels made of glass for building; glass panels for building construction purposes; glass panels for doors; doors, gates, windows and window coverings in the nature of shutters, not of metal; doors made of glass for buildings; glass walls for building; door panels, not of metal; building glass; stained glass windows; glass in sheet form for use in doors; clear glass for building purposes; glass bricks; non-metal tiles; mosaic wall tiles; ceramic tiles for external walls; ceramic tiles for internal walls; ceramic tiles for flooring of building; ceramic tiles for external floors; ceramic tiles for internal floors; tiles of glass; non-metallic kitchen tiles; glazed ceramic wall tiles; tiles, not of metal, for building; non-metallic bathroom tiles; paving slabs, not of metal; glazed ceramic floor tiles; tiles of slate; ceramic tiles; ceramic tiles for flooring and lining; tiles of marble; ceramic wall tiles; stone veneers being building materials; concrete roof coatings; artificial stone; worked natural stone; natural stone; pottery stone; textured surfaces in the nature of panels for ceilings; staircases; staircases, not of metal; stairways, not of metal for use in buildings; non-metallic surfacings in the nature of treads for stairs; non-metallic textured wall surfacings in the nature of panels; wall stone; reconstituted building stone