| 摘要 |
PROBLEM TO BE SOLVED: To provide a door frame, a door unit and a door mounting method capable of solving such a problem that adjustments can not be made by a hinge when strain or slippage of a door frame largely occurs in a door frame. SOLUTION: The door frame 30 is formed of an outside frame 31 and an inside frame 32, at the same time, the outside frame 31 is mounted on a column 20 in accordance with the execution of a wall 10, at a time when work such as a wall cloth execution or the like is completed, the inside frame 32 is fixed to the outside frame 31, a door 40 is mounted to the inside of the frame of the inside frame 32, and since the door 40 can be mounted to the inside frame 32 which is not strained or slipped by the work such as a wall cloth execution or the like, complicated adjustment work is eliminated, the mounting work of the door 40 can be easily carried out and, at the same time, work efficiency can be promoted.
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