Common metals and their alloys; building materials of metal; metal coated building materials; metal ducts (other than electric); ventilating ducts of metal; metal air conditioning ducts; air ducts of metal for buildings; ducting installations (non-electric) of metal; metal cladding and sheeting; transportable buildings of metal, ironmongery, small items of metal hardware; pipes and tubes of metal; goods of common metal not included in other classes; parts and fittings for the aforesaid goods included in the class; ores

Packing, stopping and insulating materials; plastics in extruded form for use in manufacture; flexible pipes included in the class; plastic materials in the form of sheets (non-textile), blocks and rods, all being semi-finished products; laminates of plastic material having insulating properties; insulating materials made of foamed plastics; laminated boards; structural insulating panels and materials; rigid insulation boards for use in commercial and residential building construction; insulating tiles; building insulation; foam insulation for use in building and construction; insulation for air conditioning, ventilating and heating ducts; parts and fittings included in the class