19 Building materials and building elements, not of metal; combinations of building materials and/or building elements, entirely or predominantly of plastic, wood and/or other non-metallic materials; windows and doors, entirely or predominantly of plastic, wood and/or other non-metallic materials; roller blinds, folding shutters, venetian blinds [outdoor], sun louvres, insect screens, conservatories, covers for buildings, wall coverings, roofs, railings, balustrades, fences, floorboards, partitions and partition walls, each entirely or predominantly of plastic, wood and/or other non-metallic materials; window and door profiles, door panels, facade elements and sheets, entirely or predominantly of plastic, wood and/or other non-metallic materials; window and door profile combinations, entirely or predominantly of plastic, wood and/or other non-metallic materials, in particular combinations of frame and sash profiles; profiles, sheets and cladding profiles for building purposes and/or as building materials or building elements, entirely or predominantly of plastic, wood and/or other non-metallic materials, in particular profiles, sheets and cladding profiles of wood for cladding window and/or door profiles, door panels, facade elements, sheets, windows and/or doors of plastic; profile, sheet and cladding profile combinations for building purposes and/or as building materials or building elements, entirely or predominantly of plastic, wood and/or other non-metallic materials, in particular combinations of window and/or door profiles, door panels, facade elements, sheets, windows and/or doors with profiles, sheets and/or cladding profiles; reinforcing materials for building, entirely or predominantly of plastic, wood and/or other non-metallic materials; accessories, fittings and connecting parts for the aforementioned goods [as far as included in this class], in particular mullion/frame connectors as well as fasteners, entirely or predominantly of plastic, wood and/or other non-metallic materials; all the aforementioned goods also for fire protection, in particular in fire-retardant, fire-resistant and/or fireproof finish