How to Fix a Sagging House Door

If your door isn't closing properly, there is a little space on the top, and it moves when you pull upward on the doorknob, you've got a sag.

The movement isn't actually in the door but in the jamb, which is the vertical board that holds the door hinges to the doorway.

It can become loose and pull away from the stud behind it over the years as the weight of the door drags on it.

The solution is often as easy as driving longer screws into the jamb hinges so the door isn't just anchored to the jamb, but also to the stud behind it.

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