Reduced frame

The latest addition of a new casement window in the Dualframe Si range from Sapa Building Systems introduces new manufacturing techniques which can reduce frame content of a window.
 
The Dualframe 75mm Si window incorporates polyamide thermal break technology to deliver exceptional U-values and Window Energy Ratings using double glazed units.

A U-value of 1.4Wm2K is achieved with double glazed units and 1.0Wm2K is achievable by moving to triple glazed units. This is made possible by the innovative thermal breaks, gaskets and seals and means that there is no need to use foam filled profiles.
 
For water tightness, air permeability and wind resistance, the product achieved Class 9A (600Pa), Class 4 (600Pa) and Class E (2400Pa) respectively. All weather (BS6375-1, mechanical (BS6375-2) and security (BS 7950) testing has been carried out at BSI and Dualframe 75mm Si windows have already been added to Sapa’s existing Kitemarked and Secured by Design licensed product range.
 
01684 853 500
info.buildingsystems.uk@sapagroup.com
www.sapabuildingsystems.co.uk