VS

ready mountable building materials in the form of windows, roof windows, skylights, window frames and sections, [- doors; metal constructions for glass roofs -] roof materials and elements in the form of claddings for windows, flashings and flashing frames; mounting brackets, screws and nails sold as a unit with the foregoing; builders hardware in the form of fittings, hinges, locking handles, crank operators, push bars and locks and parts and fittings therefor all being of metal

ready mountable building materials in the form of windows, roof windows, skylights, window frames and sections, and doors; [- non metal constructions for glass roofs -] roof materials and elements in the form of claddings for windows, flashings and flashing frames, gaskets, and ceiling compounds; insulating glass and window glass; parts and fittings therefor, all not being of metal