Janisol 1 fire-proof windows


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Full fire safety range

The Janisol 1 system for windows and fixed glazing as well as the systems for doors and fixed glazing round off the fire safety product range. The system meets fire resistance class E/EW45 for window applications as well as E/EW30 for fixed glazing. The window has an installation depth or 60 mm (window frame) or 64 mm (window casement) and has the same face as the Janisol window. It also impresses thanks to its simple and efficient processing.


  • Renovation and new buildings

Materials/surface finishes

  • Galvanised steel

Element types

  • Single and double-leaf windows, with and without side sections and a skylight
  • Side-hung, tilt-and-turn, bottom-hung and French casement windows
  • Fixed glazing


  • Surface-mounted standard window fitting up to 150kg
  • Lockable aluminium window handle

Special technical features

  • Installation depth of 60 mm (window frame) or 64 mm (window casement)
  • Window casement of up to 1265 x 2300 mm
  • Filling element thickness from 14 to 40 mm, glass can be installed using dry or wet glazing
  • Narrow face widths: Frame incl. leaf from 82.5 mm, secondary sash 103 mm

Test certificates

  • System tests in accordance with the EN 14351-1 and EN 16034 product standards
  • Fire resistance E45/EW45
  • Wind load resistance C4 (1600 Pa)
  • Tightness against heavy rain of up to class 8A (450 Pa)
  • Air permeability to class 4 (600 Pa)
  • Load capacity of safety equipment fulfilled
  • Operating forces class 1
  • Sound insulation of up to 43 dB
  • Profile composite technology tested in accordance with EN 14024
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