19 Building materials, not of metal, namely, plastic pipe supports, wood boards, wood panels, glass panels; rigid pipes, not of metal, for building; monuments, not of metal; door frames, not of metal; balustrades, not of metal; roofing, not of metal; buildings, transportable, not of metal; pre-fabricated buildings, not of metal; windows, not of metal; plate glass windows for building; paving slabs, not of metal; slabs, not of metal, for building; framework, not of metal, for building; door panels, not of metal; building panels, not of metal; floors, not of metal; jalousies, not of metal; armored doors, not of metal; doors, not of metal; fences, not of metal; wainscotting, not of metal; cladding, not of metal, for building; shutters, not of metal; window frames, not of metal; casement windows, not of metal; stained-glass windows; building glass; window glass for building; insulating glass for building; facade construction components of non-metallic materials, namely, non-metal panels; non-metallic building facade elements, namely, non-metal panels; non-metal window facades in the nature of non-metal panels; non-metal panels for use as building facades; non-metal building fronts in the nature of framework; non-metal cladding for facades; non-metal frames for shop fronts; non-metal synthetic flooring materials for building; non-metal synthetic wall-claddings; wall panelling made of non-metallic materials; wall boards, not of metal; doors, gates, windows and window coverings in the nature of insect screens not of metal; non-metal cladding for construction and building; non-metal building sheets; glass panels for doors; non-metal roller doors having insulating properties; glazed doors, not of metal; glass in sheet form for use in doors; non-metal window screens; glass for building panels; non-metal panelling for use in building; building boards of plastics materials; plastic wallboards; facing panels of non-metallic materials; sheathing boards, not of metal; window glass; glass panels for building construction; non-metal glazed wall panels with non-metallic frames