A perfect combination, modern system made of pvc and aluminum.

The Kombisystem Plus Alu window features:


  • U Factor (summer) IP from: 0.1357 Btu/hft2F
  • U Factor (metric) IP from: 0,77 W/m2K
  • Soundproofing: to 48 dB
  • system depth 3 1/4 in (metric – 82,5 mm)
  • Aluminium cladding
  • 6 chambers system
  • increased static due to the STV*
  • excellent sound insulation thanks to additional gasket
  • available in various color options
  • acrylcolor technology
  • middle gasket, 3 sealing layers

KOMBISYSTEM PLUS ALU from BERTRAND are technologically advanced products.

Excellent thermal and acoustic insulation – large system width, 6-chamber system, high quality of materials used and a coherent system of gasket placement in three planes guarantee perfect thermal and acoustic insulation. This window meets even the highest expectations. It achieves coefficients used in passive construction. Increased statics and anti-burglary class have been achieved through the use of the innovative STV system – permanent gluing of the glazing with the sash by means of static-thermal tape.

KOMBISYSTEM ALU has an aluminum cover on the outside, which further increased the resistance and longevity of the window. The use of aluminum overlay also gives you additional personalization options.



You can choose a color from a very wide color palette.

[new] PVC painting with highly durable metallic colours. The special Anti-Heat coating reduces solar energy
absorption to prevent overheating of window and door profiles.