Bertrand Windows and Doors



Thanks to the use of modern and narrowest profiles, more natural light will reach your home. The design of Quantix windows, following current architectural trends, will decorate your home. The rich colors of acrylcolor and veneers will allow you to match the windows to your individual style.



0.77 W/(m²K)

Folding height


Number of chambers in the frame


Number of seal levels


  1. A modern profile shape in line with current trends in architecture
  2. Very narrow profiles inside the house provide even more light
  3. 6-chamber system with a frame depth of 83 mm
  4. Narrow profiles, frame height with sash only 103 mm
  5. Narrow movable post (106 mm) with a centrally located handle
  6. Possibility of using glass packages up to 54 mm
  7. 3 seal lines
  8. Large variety of colors (acrylcolor, veneer)
  9. Greater window stiffness thanks to the use of STV
The outer side is finished in the proven acrylcolor technology.
High stability and innovative sash design thanks to the innovative STV® technology (dry glass gluing).

What does QUANTIX look like? See now

View from the outside
View from inside

Product QUANTIX comes in the following versions

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