Sapa Dualframe Windows


  • Slim Sightlines
  • Chamfered profiles in slim (36mm) or large (52mm) outerframe
  • High security BS7950 multi point shootbolt locking
  • Wide choice of colour finishes including dual colour options
  • Thermally broken frames
  • Suitable for glazed screens or bay windows with corner junctions at any angle between 90 and 270 degrees
  • Patented security bead design

Trickle vents to meet current Building Regulations


This aluminium windows system is fully weather stripped to achieve the highest levels of weather performance. 

All profiles incorporate polyamide thermal barriers to meet the latest Building Regulations in terms of U Values and Window Energy Ratings.

  • Weather tested in accordance with BS6375 Pt1 Severe Exposure Catergory 2000
  • Complies with Doc. L for thermal transmittance