Smoke-proof doors
The doors are designed to be installed indoors, as well as on escape routes in order to reduce the spread of smoke. They can be made with both a wooden box and a metal box (combined).

This type of door is manufactured strictly according to a certificate issued by a specialized authority.
Doors are equipped with
- Stationary or descending threshold
- Door closer
- Mechanical lock
- Electromechanical latch
- Sealing gasket around the perimeter of the frame
- Anti-panic system