Fixing a door can be fairly simple or it may take a lot of work, this will depend on what is wrong with the door. A simple fix is that a screw is loose on the deadbolt and just needs to be tightened.Continue Reading
Here are some methods that may help to fix the door
If the latch bolt is sticking, rub some silicone on to facilitate movement.
Check and see if there are any loose hinges and if there are tighten the screws after properly aligning the door.
If everything is fine with the door but there is a space in between the frame and the door, behind the strike plate place a wedged piece of wood.