Even if an exterior door is hung correctly there is still the possibility of a gap between the bottom and the threshold.
Large gap under exterior door.
Water leaking from the top of the door frame.
There is an approximately 1 5 gap at the bottom of the doors.
Bugs crawling under the door.
In this picture notice how the gap is larger on the latch side of the door.
I think it is too big and think a 1 4 1 2 gap would accommodate any unevenness in our floors and allow us to use area rugs.
The correction for this would be to raise the hinge side left or cut off the latch side right.
This is done from inside the home on an exterior door and the sweep will effectively block the gap under the door.
Water leaking around the door or water leaking under the door or door bottom.
A drafty door with chilly drafts air blowing through your entryway.
Screw on a door sweep.
If you have gaps around an outside door you could be losing up to 15 percent of the money you spend heating your home by allowing heated air to blow outside.
Place a level on the floor and level it.
All purpose door sweeps generally made of a metal brace and a vinyl weatherstripping piece can close the gap and keep cold air and water outside.
This is the amount you need to cut off the high side of the door jamb.
A visible door gap between the door and door frame.
Be careful not to overdo it and seal the door so that it can t settle with the rest of the house.
My contractor just hung our fancy dancy un painted solid wood door slabs in my 100 year old house with solid hardwood floors throughout.
As long as the gap is even on an interior door it shouldn t be why a door isn t closing properly.
Measure the gap under the low side of the floor.
There are several types available from an actual bristle.
A sticky or stuck door that makes it difficult to close or open the door.