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Inward opening (also known as tilt-and-turn) windows are traditional to Central Europe. Viking DK13-2k Window is a solid timber window with a 78 mm profile system and Argon filled double glazing unit.

Typical opening types are side hung (turn) combined with the ventilation opening (tilt from top of the sash): tilt-and-turn window. The Thermal transmittance U Value of Viking Windows Tilt and Turn windows are Uw = 1,29 W/²K

Tile and Turn Inward opening windows supplied in Ireland by Viking Windows Ireland are a traditional design for Central Europe. Viking DK13-3k Windows are solid wooden windows with the 78 mm profile system and a glazing unit with two low-E and one regular glass, Argon filled cavities and the total thickness of 40 mm. For the warm edge solution it is recommended to use SGG Swisspacer spacer bars as a warm edge solution.

Typical opening type is side hung (turn) combined with the ventilation opening (tilt from top of the sash): tilt-and-turn windows. Thermal transmittance of the standard window supplied to Ireland is Uw = 0,94 W/²K

DK88-w150pxFor one off houses with high energy efficiency requirements Viking Windows have developed an inward opening 88 mm window with a thermal transmittance U Value Uw = 0,74 W/m²K [1].