1) a groove is made in the doorbox.
2) cutting the groove directly in the opening. In this case, the beam is inserted into the groove. In this case, it is necessary to take into account the height of the beam.
1) a groove is made in the doorbox.
2) cutting the groove directly in the opening. In this case, the beam is inserted into the groove. In this case, it is necessary to take into account the height of the beam.
