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DualframeOur Dualframe 75si Casement Window System is designed to meet high performance requirements in a variety of applications. The suite of profiles can be constructed to form fixed lights and top or side hung windows.

The Windows offer a wide choice of configurations sizes and colours, while providing you with the best value in terms of durability, low maintenance and security. Its advanced polyamide thermal break technology provides high thermal performance without the need for costly and complex sealed unit specifications.

Features & Benefits:

  • compatible with other Sapa Window & Door products
  • Slim frame Design
  • Multi Chamber aluminium profiles for improved insulation & strength
  • Internal and External bead options 
  • Wide range of colours  - over 400 colours available
  • Certified Energy Ratings 
  • High impact, colourfast and low maintenance profiles - making it better for the environment 
  • Large selection of hardware to choose from 
  • Meets Secured By Design specification
  • 24-32mm glazing options
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