Wooden windows are durable

The German-type IV78 and IV88 wooden profile windows are made with the frame of 78 or 88mm and jamb, using the 3–4-glulam finger-jointed pine.

The windows are made according to the measurements, colour and style preferences of the customer.

Ysse color card


  • Inward opening wooden windows IV78 or IV88
  • Jamb and frame thickness 78mm or 88mm
  • Two seals in the window frame
  • Additional sealing in the window jamb
  • 3-glaze, Ug = 0.6 or 0.5Wm2K
  • Calculated Uw = 0.79 W/m2K* for window of 1200x1400mm
  • Glazing inside and sealing outside
  • Wind resistance class C5
  • Water resistance class 9A
  • Sound insulation Rw(C; Ctr): 32 (-1;-4) dB
  • Air throughput class 4
  • The window has the CE marking

* Calculated value of thermal conductivity of IV88 window profile

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