KBE offers double seal systems with round and classical look for 70 mm installation depths. Also a residential door system is available for the round look variant.
Window & residential door systems : 70 mm systems
A double seal system is generally understood to be a window system with two sealing levels. The window is sealed with an outer and an inner sealing level at the extended leg.
In addition to balcony, terrace, and parallel sliding/tilting doors, KBE also offers extremely stable inward and outward opening residential doors. This section presents these residential doors in all their variants.