Materials inlcuded in Cl. 17 in the form of strips for sealing, packing and insulating; plastics materials in the form of granules or pastes, all for use in the insulation of fireproofing and smoke proofing systems

Doors and windows, all for buildings; chases (building elements) for cables and pipes; ventilation flaps, ventilation shafts and hatches, all being building structures; all made wholly or principally of non-metallic materials and all provided with fire-proofing and smoke-proofing properties; non-metallic building materials.