NK2 Double - general information

NK2 Double is a 2-ply fold-up door. Owing to its rigid frame construction it is excellent in locations requiring extremely large exterior doors. NK2 Double is particularly suitable for aircraft hangars, harbours and shipyards. Its model for dusty spaces is a superb solution in, for example, the doors at thermal power stations’ raw materials storages. There is a variety automatic systems for opening and closing available.
The size of one NK2 Double door can be as large as 28 x 25 metres. NK2 Double industrial door can also be manufactured in special sizes with no size limitations. NK2 Double and NK4 Warm doors are also excellent aircraft hangar doors; the total width and height are unlimited thanks to Champion Door’s elevating support post solution for hangar doors.

Door leaf thicknesses and maximum door sizes:
Door leaf thickness 180 mm: max. width 16 m, max. height 20 m
Door leaf thickness 280 mm: max. width 28 m, max. height 25 m

In multiple doors with elevating support post widths are unlimited.
In special doors there are no size limitations.