Universal solution
Concept System® 68 is a universal aluminium window, with good stability, thermal insulation and security performance. The window is available in a variety of aesthetic styles: Functional, Renaissance, Softline and Hidden Vent, meaning the windows can perfectly match any building.
The aluminium window can be inward and outward opening and is compatible with Ventalis ventilation units. In addition, the CS 68 window can comply with burglar resistance classes 2 and 3, offering an ultimate level of security.
Secured by Design option available.


  • Min. Visible width frame: inward opening51 mm
  • Min. Visible width vent: inward opening33 mm
  • Min. Visible width frame-vent: inward opening89 mm
  • Min. Visible width frame: outward opening17.5 mm
  • Min. Visible width frame-vent: outward opening93.5 mm
  • Min. Visible width T-profile76 mm
  • Max. height vent2800 mm
  • Max. width vent1200 mm
  • Max. weight element170 kg
  • Overall system depth frame59 mm
  • Overall system depth vent68 mm
  • Rebate height25 mm
  • Min. Glass thickness4 mm
  • Max. Glass thickness54 mm
  • Min. Glass thickness vent4 mm
  • Max. Glass thickness vent54 mm


  • Air tightness max. test pressure4 (600 Pa)
  • Water tightness9A (600 Pa)
  • Wind load resistanceC4 (1600 Pa)
  • Acoustic performance46(-2;-8) dB


  • Burglar resistanceRC2/WK2
    RC3/WK3 – PAS24