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 TOTAL70c system (70mm) is the ideal replacement for traditional timber window frames, available in original chamfered finish or in the more contemporary sculptured style.


  • Gloss finish
  • Document L Compliant (thermal efficiency)
  • Integral black gasket for safe, secure and weather tight finish
  • Extensive range of accessories including REHAU cills
  • Single leg beads enable easy yet secure on-site glazing
  • 28mm and 44mm beads available
  • Choice of outer frame sizes  - 52mm, 62mm or 72mm

White TOTAL70c

Outer Frame
Outer Frame
Outer Frame
75mm Sash
3 ChamberTick Tick 
5 Chamber Tick Tick
6 ChamberTick   
* All foiled 70c product is 3 chamber

Quality Guaranteed

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