17 Insulating rings, weatherstripping, caulking materials, non-conducting materials for retaining heat, bark coverings for sound insulation, waterproof packings, stuffing materials, insulating felt, fiberglass fabrics for insulation, fiberglass for insulation, threads of plastic materials not for textile use, filtering materials (semi-processed foams or plastic materials), gutta-percha, soundproofing materials, insulating paper, insulating materials, insulators, insulating tapes, isolators, slag wool (insulator), glass wool for insulation, mineral wool (insulator), plastic film other than for wrapping, padding and stuffing materials of rubber or plastics, artificial resins (semi-finished products).
19 Tarred strips (construction), building materials not of metal, bitumen, bituminous cardboard, bituminous products for building, building materials not of metal, roof coverings (not of metal), felt for building, tar, insulating glass (construction), wall and indoor wall cladding (for building) not of metal, parquet flooring, ceilings not of metal, floors not of metal, linings (construction) not of metal.
