Wooden windows IV98

The inward opening wooden window system IV98 provides excellent thermal and sound insulation properties, easy use and maintenance of the window.

The thick wooden profile gives the product an impressive look and increases static resistance.

The third sealing contour additionally improves sound insulation and makes the window practically airtight.

  • The window is suitable for using in newly-erected and renovated buildings with increased energy efficiency requirements.
  • Frame and sash profiles are 80mm wide and 98mm thick.
  • The bottom of the frame contains cuts for easy installation of internal and external windowsills; it is possible to make grooves around the perimeter for mounting of plasterboard finish.
  • Thermal conductivity coefficient of the window UW=0.88 W/m2K (calculated according to DIN EN ISO 10077-1 for a pine wood window with dimensions 1.23 x 1.48m).
  • Sound insulation with a standard 52mm insulating glass unit is 36 dB, which means reduction of the noise level by around 3000 times. By choosing special sound-suppressing insulating glass units, it is possible to achieve the sound insulation of up to 53 dB.
  • The finish system of wooden windows produced by the Finnish company TEKNOS offers environmentally friendly water-based varnishes and paints. The standard offer includes 54 tones of varnish and covering paints according to RAL or NCS catalogues.
  • ROTO fittings allow opening, tilting or locking the window in the microventilation (winter ventilation) position.

The upper part of the turn-only and tilt&turn windows may also be sloping or arched, there are almost no restrictions to the shape of fixed windows.

For rectangular windows you may choose hidden, parallel sliding (PSK) or folding sliding (FS) fittings.


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