Harbour and shipyard doors

NK2 Double shipyard door
Double is a 2-ply fold-up door. Owing to its rigid frame construction it is excellent at locations requiring extremely large doors; its size with one door leaf can be 28 x 25 metres. There are no size limitations in special doors.


NK2 Double fold-up door

NK4 Warm shipyard door
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 with 280 mm frame strength and 0.75 with 180 mm frame. There are no size limitations in special doors.
NK4 Warm fold-up door

Fire doors and smoke curtains
The ideal fire and smoke 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