5-chamber window system REHAU Brillant-Design with system depth of 70 mm applies to the systems of premium class, it is able to meet the highest technical and aesthetic requirements of high-class construction. REHAU Brillant-Design window profiles, being a superposition of exclusive design and innovative technology, require minimal maintenance and are ideal to use.




  • Wide range of design solutions through a wide selection of profiles
  • Easy-cleaned  smooth surface
  • Cut-off rebate in the frame and flap to ensure drainage
  • The width of the reinforcement chamber makes it possible to use reinforcement with high static characteristics
  • Profile System is environmentally friendly, recyclable

Technical specification

  • System depth: 70 mm
  • Five-chamber profile structure
  • Thermal insulation: Uf  = 1,3 W/m²K.
  • Noise insulation: up to class 5 (up to Rw,P = 45 dB)
  • Tamper resistance: up to class 3 (DIN V ENV 1627)
  • Air and water resistance: up to the class 4 (EN 12207)/ E 900 (EN 12208)
  • The solution to perform fillet welds without the risk of condensation

Available colours

For a given system standard colors are available (* colors on the screen may differ from the original due to monitor settings):

Also there are available the colors specified in the booklet, as well as other colors RAL, which can be obtained by painting the profile: Colors