19 Building and construction materials and elements, not of metal, namely, coverings for ceilings and roofs made of wood fibre for use in building construction, moldings for doors and windows, flashing, floor boards, beams, elbows for construction purposes being building brackets, and profiles in the nature of framework for building purposes; wood-based or wood fibre construction materials, namely, wood-based floor boards, wood-based wall boards, and wood-based ceilings; intumescent construction materials, namely, fire resistant wooden boards; construction materials, namely, boards made of wood fibres; building boards for outdoor use and building boards for the interior of buildings, in particular building boards made of wood fibres, bitumen boards, decorative boards in the nature of wood fibre veneer wall and ceilings boards, and graphic boards in the nature of parquet wooden floorboards, all aforementioned goods not of metal; construction materials of wood or wood fibres for use in door and window connections, namely, wooden door and window moldings, elbows in the nature of cornice moldings, and angles in the nature of finishing trim; moldings, not of metal, for building, namely, decorative wooden trim for building construction