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Our extremely versatile hot-rolled in Switzerland W20 system has been in production for over 50 years and has a proven record of durability with excellent design potential. 

Very popular with planners and architects the Steel Design W20 range is ideal for your construction needs if you are planning on single glazing.

Glazing pane parity, fully weather stripped with integrated gaskets and optional inside or outside glazing side, with a range of different beading options combined with the highest quality hardware and fittings available are just some of the many advantages of the Steel Design W20 range.  





  • single doors hinged or pivot opening inwards or outwards 
  • double doors hinged or pivot opening inwards or outwards
  • casement windows opening inwards or outwards
  • awning windows
  • hopper windows
  • vertical or horizontal pivot windows
  • fixed windows
  • bi-folding windows & doors
  • sliding & stacking windows & doors