6
rough and partly machined base metals and their alloys; milled, rolled, casted, folded, pressed and molded structural components; roof and facing elements and fittings, fittings, locks, structural elements, tubes, pipes, channels, gutters; hardware for roofs; nails, rivets, bolts, screws and other fastening elements; all articles made from base metals, base metals coated with paints, lacquers and sheets, base metals with anodized layers and other surface treatment finishings
17
insulating materials for roofs, building fronts, building facings and other parts of buildings
19
roof panels, roof tiles, roofing and roofing materials, structural components, fastening elements, hardware for roofs, facing elements, colored facing elements, roof profiles, profiles for facings; all articles made from plastics material, synthetic resins or plastics materials and synthetic resins reinforced with natural mineral or synthetic fibers; roof panels, roof tiles, roofing and roofing materials, all articles made from cement, reinforced by natural, mineral or synthetic fibers or from concrete; roof and facing elements made from wood; roof and facing elements from structural or building glass
37
services in the construction and making of buildings, repair and restoration, activities and services in connection with roofing, facing and panelling