NK4-180 Warm

The NK4-180 Warm is a 2-ply fold-up door with two heat insulation layers. Due to its rigid 180 mm wide frame construction, it is particularly suitable as a large exterior door. The width of a single door can be up to 16 m, and the height 20 m. When using an elevating support post system with multiple doors, the door width is unlimited. The heat insulation characteristics of the NK4-180 Warm are ex...