19 Building and construction materials and elements, not of metal, namely, construction elements not made of metal in the nature of shores; non-metal doors; gates, not of metal; non-metal windows; window coverings, not of metal, namely, high performance fabric covers for use in protecting windows during storms; outer doors, not of metal; non-metal skylights; windows, not of metal; wood window frames; non-metal plastic window frames; window frames, not of metal; non-metal cladding for construction and building of windows; float glass for building; glass elements for windows, namely, architectural elements in the nature of non-metal glass friezes for windows, decorative foam core architectural elements made of glass that are coated to resemble stone; wooden doors; doors made of wood for buildings; inner doors, not of metal; plastic shutters, not of metal; non-metal shutters for windows; roller shutters, not of metal; sash windows, not of metal; sliding doors, not of metal; safety doors, not of metal; security non-metal door frames for buildings; non-metal patio doors; doors, not of metal; wooden door frames; door frames, not of metal; layered glass, namely, panes, tiles; glazed doors, not of metal; glazed building elements made from glass, namely, glazed glass for building, glazed glass blocks for building; non-metallic framed glazing materials for building, namely, tempered glass for building; manufactured timber