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Install New Door Casing — Install Door Casing and Trim

Beginner2 mins

Part of project

How to Add a Door to an Under-Stair Closet · Step 5 of 6

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Measure and cut new door casing (trim) to fit around the installed door frame. The video shows measuring, cutting, and then using a nail gun to attach the trim pieces. Ensure that miter cuts are precise at the corners for a professional finish. Install the vertical side pieces first, followed by the horizontal top piece, securing them flush against the wall and door frame. This step completes the aesthetic integration of the new door into the wall.

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