For houses with high energy efficiency Viking Window has developed inward opening 88 mm window with thermal transmittance Uw = 0,74 W/m²K .
Glazing units and hardware:
Viking DK88 windows are equipped with the Argon filled insulated glazing unit with two low-E glasses (Planitherm One) and SGG Swisspacer Ultimate warm edge solution; Ug = 0,47 W/m²K . It has ROTO hardware and Hoppe handles and optionally one can choose version with hidden hinges .
The opening and closing functions can be described with DK13 window animation below:
DK88 wooden window:
Energy effiecient, convenient, enduring, sustainable.
DK88 aluminium clad window:
Energy effiecient, modern, convenient, enduring, sustainable, low maintenance.
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).
The window tilts inwards from the top, but only a little, to allow ventilation. Maximum weight of sash is 100 kg.
Fixed lights and windows with mullions and transoms:
Fixed light is a simple solution which includes a glazing unit installed directly to the window frame. This is a way to increase light gain inside. A more complex variation could be a window with a fixed casement. This could be a case of historic buildings where it is required to maintain the outside face.
Viking Window product lines also include a wide variety of dividing possibilities for frames and casements: mullions, transoms, glazing bars and applied bars on glazing units. A single multilight window frame can be as big as 2,5 x 3,2 m.
|DK88 glazing bar solutions||DK88 aluclad glazing bar solutions|
 3-glazing with two Planitherm ONE Low-E glass; and with Swisspacer Ultimate spacer bars;
 3-glazing with two Planitherm ONE Low-E glass;