Owners should be very involved in the planning process. Hiring someone to. do it or delegating it to someone who is not a key member of the company. will result in an inferior plan. No plan (or a poor plan) is a leading cause of business failure. You can. improve your chances of success with a good Business Plan.
Instructions. Position the metal studs that will form the two sides of the rough opening so that the distance between them is 1 inch greater than the exterior dimensions of the door frame. This provides you with space to adjust the door frame and make it perfectly square and level with shims.
1 Use shims on the side of the door with the hinges to remove the gaps between the trimmer stud and the door frame. 2  The door should be square. 3  Have another person hold the pre-hung door in place while you install wooden shims where necessary.4  Ensure the door frame is flush with the wall. Hammer a few large finish nails into the frame on the hinge side of the door. 2  Make sure the nails go through the frame and into the shims and trimmer. 3  Leave part of the nails out, not hammering them all the way into the frame until you are sure the door is plumb.