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Step 1 · Locate Studs and Mark Opening

Using a stud finder, identify the location of wall studs and any overhead joists that might obstruct or be affected by the new doorway. Carefully measure and mark the precise dimensions of the planned opening on the wall surface. Ensure the marked lines are perfectly vertical (plumb) and horizontal (level) using a spirit level. The width should accommodate the door slab plus a small margin for the frame and shims.

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Step 1 · Locate Studs and Mark Opening

Using a stud finder, identify the location of wall studs and any overhead joists that might obstruct or be affected by the new doorway. Carefully measure and mark the precise dimensions of the planned opening on the wall surface. Ensure the marked lines are perfectly vertical (plumb) and horizontal (level) using a spirit level. The width should accommodate the door slab plus a small margin for the frame and shims.

Videos for this step

Mark Jack and King Stud LocationsCreate New Doorway Opening

Tools and Materials

← Project

How to Add a Door to an Under-Stair Closet

Step 1 of 6·7 hr left

1
Locate Studs and Mark Opening
30 minutes4 items
2
Cut Out Existing Wall Material
45 minutes4 items
3
Frame the Door Opening
90 minutes6 items
4
Install Door Jamb and Door
75 minutes5 items
5
Install Door Casing and Trim
60 minutes6 items
6
Install Door Hardware and Finish
120 minutes7 items
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