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.



The REHAU 703 Tritec system (60mm) comes in an original chamfered finish and is ideal for both new builds and replacement windows.


  • Gloss finish
  • Document L compliant (thermal efficiency)
  • Large reinforcement chambers
  • Integral grey gasket in white frames and colour coded gasket in foils
  • Choice of outer frame size - 52mm, 62mm or 75mm
  • Extensive range of accessories available including REHAU cills
  • Single leg beads enable easy yet secure on-site glazing
  • 28mm bead


Quality Guaranteed

  • 10 year REHAU profile guarantee on white
  • 5 year REHAU profile guarantee on foils
  • Fully guaranteed and branded hardware
  • BSI registered manufacturing process to BS 7412 and BS 7412/PAS 24 


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