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Technical Data

Thermal Insulation

Uw up to 0,64 W/m²K

Sound Insulation
Soundproofing up to 46 dB

System Description

  • 85 mm construction depth
  • Can be combined with KF 410
  • Highly thermally insulating thermal foam (HCFC, HCF and FC free)
  • FIX-O-ROUND technology
  • Fully concealed hardware
  • Visible or concealed drainage
  • Standard security
  • Triple gasket system
  • Designer locking parts
  • Slim sight lines and larger window sizes due to I-tec Core


iTec glazing logo


Ingenious Glazing System

Glass panes glued to the timber frame ensure good structural stability and high torsion resistance.

Fully Concealed hardware

As standard no visible hardware parts – for better appearance, easier to clean and above all for better impermeability from the inside.

I-Tec Core

Slimmer sightliness maximising on light, increased thermal and sound protection.