| 摘要 |
A system for supporting a door frame, and in particular a metal door frame, during build-up of a wall about the door frame. Vertical alignment devices allow for placement of the door frame in a plumb configuration with respect to the floor and allows for fine adjustment through use of turnbuckle devices. A horizontal spreader device, also having longitudinal adjustment, provides lateral support to the door frame to reduce inward bowing of the sides of the door frame towards one another during build-up of the wall. Also, a header support device serves to maintain a parallel relationship between the header of the door frame and the threshold by compensating for sagging in the header, and also uses a longitudinal adjustment device.
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