The overlay door frame is a modern solution that enables the replacement of metal door frames without removing old elements and without the need to forge the walls.
Adjustable TR tunnel with a band overlapping a 6 mm wall or TW with an 8 mm band is an ideal solution for finishing door openings not only because of the properties that protect the corners of the walls, but above all as a form of interior decoration.
With bolted two hinges, it can be used in all rebated plate doors, except for "Solid", "Volume" leaves with bolted three hinges, it can be used in all modular doors.