The slimmest and strongest profile on the market.
It can be painted and incorporate draught excluder. Normally fitted with cockspur type handles the glass units are fitted from the outside; even so, the window is extremely secure.
Each segment of a steel window is made separately. Segments are bolted together to make larger multi-faceted windows.
The frames can be fitted direct to the brickwork or into a timber sub frame.
The painting process is powder coating, the same system that is used for aluminium.
The steel window is an expensive option.
The Frame options?
The purpose of a window is to provide light and ventilation into a building. Glass has to be fixed into a frame. Early frames were steel and timber and latterly aluminium and plastic. These frames have been developed to take double glazed units and sophisticated locking systems producing a finished product that is elegant, practical and efficient at keeping heat in and the cold and rain out.