Harbour doors

NK2 Double
NK2 Double is a 2-ply fold-up door. Owing to its rigid frame construction it is excellent at locations requiring extremely large exterior doors; its size can be as much as 40 x 20 metres.



NK2 Doubler fold-up door

NK4 Warm
Warm is a 2-ply fold-up partition like NK2 Double, except that two additional insulation layers for heat and noise insulation have been attached. The door’s u-thermal value is 0,66 W / (m² * K) with 280 mm frame strength and 0,75 W / (m² * K) with 180 mm frame stregth.
NK4 Warm fold-up door

Fire doors and smoke curtains
The ideal fire and smoke closer door effectively prevents the spread of fire from one fire compartment to the next. The fibreglass- and steel wire-reinforced fabric rolls down from its protective housing in the event of a fire or smoke alarm.

Fire doors and Smoke curtains