FIELD: construction.
SUBSTANCE: door unit contains a door frame for fastening in the wall opening, a door leaf, hinges connected to the door frame, an interior door, end plates fixed to the side ends and the upper or lower end of the door leaf for installing the interior door, stiffeners, the inside of the door leaf. At least one opening is provided on the loop side of the door leaf, and at least one presser bar is fixed to the stiffener against at least one opening, with the possibility of bending it.
EFFECT: increasing the operational reliability.
6 cl, 6 dwg
