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 To make the studs, measure the height of the door to be installed. 2  Cut 2x4s to the height of the door plus 1 1/2 inches (5.1 cm) to allow room for the top of the frame and allowance for leveling the jamb. 3  To make the door header, cut 2x4s to the width of the original opening.