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never overlook the power of simplicity

Designed in the 1990’s as an evolutionary development from W20, Our W40 range also fully hot rolled in Switzerland offers continuity of style with the same look, options and benefits as our W20 range but allows for much thicker high performance double or triple glazing (up to 32mm).

For a timeless look and performance nothing beats our W40 system.





  • single doors hinged or pivot (open in or open out);

  • double doors hinged or pivot (open in or out);

  • casement windows (open in or out);

  • awning windows;

  • hopper windows;

  • vertical or horizontal pivot windows;

  • fixed windows.

  • bi-folding windows & doors

  • sliding & stacking windows & doors