If you have a large gap at the bottom of your door that may be helping the door to stay plumb.
Gap under new front door.
As long as the gap is even on an interior door it shouldn t be why a door isn t closing properly.
Be careful not to overdo it and seal the door so that it can t settle with the rest of the house.
A drafty door with chilly drafts air blowing through your entryway.
Water leaking from the top of the door frame.
Place the sweep at the bottom of the door and align the sweep edge so that it blocks the door gap.
Make marks through the pre drilled attachment holes onto the door proper.
Water leaking around the door or water leaking under the door or door bottom.
Remove the frame screws from the hinge you identified but leave the.
Open the door and place a wooden block or hardback book under the outer corner of the door to hold it in place while you work.