Dessian manufactures the REHAU 703 Tritec (60mm) system and REHAU TOTAL70 (70mm) uPVC window and door systems. We have developed our product range over the last 29 years and always strive to provide frames that offer both efficiency and aesthetic appeal, backed up by excellent customer service. Please contact us for more information.


Tilt & Turn

Tilt & Turn windows allow warm air to flow out through the top and cool air to enter through the sides. Switching the window to the turn position means it opens inwards a full 90 degrees, aiding ventilation and cleaning. If required, it can also be used as an emergency exit.


  • Available in either 703 Tritec or TOTAL70 system
  • Siegenia Tilt & Turn gearing incorporating high security multi-point locking system
  • All Tilt & Turns on fire escapes subject to minimum size
  • Optional odd leg to bottom (avoiding need for cill adaptor)
  • Integral gasket on both systems
  • Colour coded gasket on Tritec System
  • Full range of handle colours: White, Black, Polished Gold, Satin Silver and Chrome
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