Janisol HI windows


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Janisol HI windows combine aesthetics with refined technology. Slender frame profiles enhance the architectural styling while the innovative technology ensures the best possible thermal separation. With triple glazing, it is easy to achieve windows with excellent thermal conductivity coefficients (Uw), e.g. 0.69 W/m2K for fixed lights and 0.8 W/m2K for opening elements. Thanks to high-tech thermal break spacer bars made of glass-fibre reinforced plastic, the new window system also benefits from excellent structural values and achieves top values in system tests (air/water/wind). The Janisol HI window was the first steel window that has been certified according to Minergie.

Materials/surface finishes

  • Strip-galvanised steel, suitable for powder coating or stove-enamelling

Window types / opening types

  • Single and double casement windows, with and without fixed side panels or transom window
  • Side-hung, turn-tilt, bottom-hung and top-hung windows
  • Fixed glazing


  • Concealed (180 kg) or surface-mounted (150 kg) fittings
  • Integrated or surface-mounted electric drives

Special technical features

  • Depth of casement 90 mm, fixed glazing 80 mm
  • Infill elements 67/57 mm (triple glazing)
  • Casement sizes up to 2.8 m high
  • Very good structural values, narrow face widths
  • Special geometry (Studio window etc.)
  • Weight of casements up to 180 kg

Test certificates

  • CE marking in accordance with product standard EN 14351-1
  • Tightness against heavy rain up to class E750
  • Air permeability up to class 4 (600 Pa)
  • Resistance to wind load up to class C4 (1600 Pa)
  • Airborne sound insulation up to Rw 46 dB
  • Heat transmission coefficient Uw > 0.69 W/m2K for fixed glazing
  • Heat transmission coefficient Uw > 0.8 W/m2K for windows
  • Shear bonding in accordance with EN 14024
  • Tests in accordance with EN 1627 to 1630 for RC1N to RC3
  • Prefabricated glazing suitable for safety barrier loading DIN 18008-4 met
  • RWA / NRWG
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