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Technical Data

Thermal Insulation

Thermal insulation with standard triple glazing and highly insulating edge seal (Ug = 0.5 W/m2K) Uw = 0.72 W/m2K
For best energy efficiency SOLAR+ glazing (Ug = 0.6 W/m2K and g value 62 %) Uw = 0.79 W/m2K

Sound Insulation

Soundproofing up to 45 dB (with corresponding glazing)

System Description

  • 90 mm construction depth
  • Can be combined with timber/aluminium windows
  • Fully concealed hardware
  • Visible or concealed drainage
  • Shortened aluminium attachment clad available upon request, for thermo-technical optimised construction connection
  • Triple gasket system
  • FIX-O-ROUND technology
  • Standard security
  • 5 chamber system with highly thermally insulating thermal foam (HCFC, HCF and FC free)
  • I-tec ventilation available upon request
  • Passive house certified in the standard version acc. to ift Rosenheim
Internorm KF 410 UPVC/ALUMINIUM - Window Profile

I-tec Features

iTec-glazing logo

iTec-ventilation logo


Flush Design

Modern square-edged design outside and inside, can be integrated into the facade on three sides.

Flush design window profile

I-tec Glazing FIX-O-ROUND Technology

Continuous all around fixing of the glass pane ensures better stability, thermal and sound insulation, burglary protection and functioning security.

I-tec Glazing FIX-O-ROUND window profile

I-tec Ventilation

Continuous fresh air for the whole room and your well being. Uncontrolled airing leads to energy losses. The I-tec ventilation is equipped with a heat exchanger. Heat recovery reduces the energy losses to a minimum.

I-tec Ventilation window profile