PVC windows

Investline Classic

This modern window system meets high expectations related to flawless quality and competitive pricing. The timeless design of Investline products is complemented by the wide range of veneer colours, available in the configuration. The high thermal insulation performance of Investline put this product line in the first order of selection for many investors.

Two circumference gaskets made of a strong and flexible material ensure trouble-free operation of the windows in this system, despite outside conditions – especially humidity and wind.

The quality of the windows is confirmed by the high noise reduction coefficient. With Investline windows, you can sleep peacefully.

Standard window equipment:

  • 6-chamber system for optimum insulation performance
  • Non-flush shape of the leaf frame
  • Installation depth 80 mm with Uf = 0.94 W/m²K
  • Double sealing with EPDM rubber for wind and rain protection
  • Standard grey gaskets, optional black gaskets
  • Steel reinforcement for static safety and functionality
  • High quality fittings – Winkhaus – ActivePilot Select
  • compatibility of fittings: connected at the angle of 45 degrees

Optionally, for veneer windows we recommend the P-Perfect welding technology, which enables perfect connection of profiles and obtaining the so-called thin welds, which improves the aesthetics of the windows.

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