Metal building materials, namely, conservatory glazing systems, composed of metal glazing bars, ridge beams, eaves beams, gutters, decorative panels and mouldings, crestings and finials sold as a unit; prefabricated aluminum conservatories, prefabricated aluminum glasshouses/greenhouses, aluminum components for receiving glazing, namely aluminum window frames, aluminum door frames, aluminum glazing bars, aluminum ridge beams, aluminum eaves beams, aluminum gutters, aluminum decorative panels and mouldings, aluminum crestings and finials; conservatory roof systems made primarily of metal, composed of glazing bars, ridge beams, eaves beams, decorative panels and mouldings, crestings and finials sold as a unit; replacement parts and fittings therefor for the aforesaid goods

Non-metal building materials, namely, conservatory glazing systems composed of glass or plastics glazing panels, glazing bars, ridge beams, eaves beams, gutters, decorative panels and mouldings, crestings and finials sold as a unit; prefabricated nonmetal conservatories, prefabricated non-metal glasshouses/greenhouses; non-metal components for receiving glazing, namely, non-metal window frames, non-metal door frames, non-metal glazing bars, non-metal ridge beams, non-metal eaves beams, non-metal gutters, non-metal decorative panels and mouldings, non-metal crestings and finials, plastic roofing panels and translucent plastic roofing panels, non-metal conservatory roofing systems composed of glass or plastic roofing panels, glazing bars, ridge beams, eaves beams, gutters, sealing gaskets, decorative panels and mouldings, crestings and finials sold as a unit, replacement parts and fittings therefor for the aforesaid goods