After the old box is dismantled, the doorway is measured, it should be around the perimeter more than ten millimeters more than the box, this gap will be filled in the future at the time of installation of the door. Next is the door box assembled. The upper bar and the racks of the box are cut “in the mustache” at an angle of 45 degrees, and attached by self -tapping screws. The door is hung on the loop, the stand is placed strictly vertically using a level or plumb line, and the lock stand should be adjustable along the door of the door with a gap of 0.3 mm, the gaps are fixed using cardboard gaskets. In the opening, the box is fixed for a while with wooden wedges, the gap between the opening and the door frame is filled with foam, after wetting the walls of the opening with water for a better coupling.
What you need to know when independently installing doors
