If you have a large gap at the bottom of your door that may be helping the door to stay plumb.
Gap under door too big.
Normally though that gap isn t any more than an inch and usually only 1 2.
Door gaps especially on exterior doors can be serious energy wasters.
A visible door gap between the door and door frame.
Bugs crawling under the door.
How to fix a gap under a door.
As long as the gap is even on an interior door it shouldn t be why a door isn t closing properly.
There are door sweeps that are made that are taller.
A sticky or stuck door that makes it difficult to close or open the door.
Water leaking from the top of the door frame.
Higher quality pre hung doors are usually manufactured with 1 5 clearance under the door as described above assuming the flooring will be premium as well in the 3 4 range.
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.
Jimmy c is right you do need some gap under your door to allow for circulation of air.
There is an approximately 1 5 gap at the bottom of the doors.
My contractor just hung our fancy dancy un painted solid wood door slabs in my 100 year old house with solid hardwood floors throughout.
These work and look great in the homes we renovate and still provide the needed space underneath the door for the air returns.
These doors come pre cut and pre hung and have only the smaller 1 inch gap under the door.
A drafty door with chilly drafts air blowing through your entryway.
Unfortunately the undertrained part time people at the big box stores don t know this.
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.
How to fix a gap in an outside door.
In the winter they let cooler air in and in the cooling season when your air conditioner is.
Be careful not to overdo it and seal the door so that it can t settle with the rest of the house.