Inward opening (also knonw as tilt-and-turn) windows are traditional to Central Europe. The DK10-3k Window is a solid wooden window 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 window. Thermal transmittance of the standard window is Uw = 0,94 W/²K
Technical Properties of DK10 3K Window 
- Thermal transmittance: Uw = 0,94 W/m2K;
- Sound insulation:: Rw (C; Ctr) = 35db (-1; -5);
- Cross sections: frame 78 x 78 mm; sash 78 x 78 mm;
- Transom/mullion 105 x 78 mm; glazing bar 63 x 78 mm or 85 x 78 mm
- Pine wood with quality class A1–A3;
- Wooden profiles treated with water based preservative;
- Glazing unit: double glazing 26 mm (Ug = 1,1 W/m2K) or
- triple glazing 40 mm (Ug = 0,6 W/m2K);
- Hardware: GU Unijet;
- Frame dimensions: WxH max. 2,5 x 3,2 m;
- Multilight windows with transoms and mullions;
- Weight of the opening sash up to 130 kg.
TILT & TURN WINDOW
The Tilt & Turn 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 130 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 130 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 130 kg. To ensure sight lines to adjacent windows are aligned the fixed light can be provided with a number of design options including a dummy sash, transoms and mullions. An advantage of the fixed light is its size and shape capabilities, raked, arched and triangular windows can all be supplied.
FIXED LIGHT WINDOW
The Fixed Light is designed to keep frame work to a minimum and to allow large amounts of sun light into a room. Commonly used where it is not essential to have an opening window or ventilation the fixed light is the perfect cheaper alternative to an opening window.
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