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Technical Data

Thermal Insulation

Thermal insulation with standard triple glazing LIGHT (Ug = 0.5 W/m2K) Uw = 0.74 W/m2K
Best thermal insulation Uw up to 0.74 W/m2K (with corresponding glazing)

Sound Insulation

Soundproofing up to 43 dB (with corresponding glazing)

System Description

  • 68/71 mm construction depth
  • Sash in Vetro design allows frameless architecture
  • Surface flush interior design
  • Glass sash – no difference in outside view between fixed and openable elements
  • Frameless glass architecture – window can be rendered on three sides
  • Narrow view width up to 98 mm
  • FIX-O-ROUND technology
  • Triple gasket system
  • Standard security
  • Shortened aluminium attachment clad available upon request, for thermo-technical optimised construction connection

I-tec Features

I-tec  glazing logo


UPVC Version

Along with the aluminium attachment clad version in all colours, the classic UPVC version in white is also available.

KF220 UPVC Version window profile

Sophisticated Design

Outside Vetro design (small recess from frame to glass edge).

KF220 Sophisticated 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