Inward opening (also known as tilt-and-turn) windows are traditional to Central Europe. DK13-2k Window is a solid wooden window with the 78 mm profile system and Argon filled double glazing unit.
Typical opening type is side hung (turn) combined with the ventilation opening (tilt from top of the sash): tilt-and-turn window. Thermal transmittance of the window is Uw = 1,29 W/²K
Opening types:
Tilt and turn window
Window opens inwards in two ways – traditional side hung (turn) and the ventilation opening (tilt from top of the sash). There is also micro ventilation possibility. In addition ventilation restrictor device can be added to hardware to enable to fix the position after tilting sash. Maximum weight of sash is 100 kg. Available also as double sash french window (without mullion).
Side hung window
Window opens inwards to one side (turn). Maximum weight of sash is 100 kg. Available also as double sash french window (without mullion).
Tilt window
The window tilts inwards from the top, but only a little, to allow ventilation. Maximum weight of sash is 100 kg.
