Metal building components for houses and the like including joists, studs, beams, columns, structural plates, structural plate stiffeners, trusses, bridging for floor joists, window frames, door frames and windows all being goods composed of aluminium or aluminium alloys

Metal building components for houses and the like including joists, studs, beams, columns, structural plates, structural plate stiffeners, trusses, fridging for floor joists, window frames, door frames and windows, all bding goods composed of aluminium or aluminium alloys