The reasoning you may want to fix the gap in your door is because especially in the wintertime the cold breeze will get throw the gap in the door.
Gap in front door.
Door gaps especially on exterior doors can be serious energy wasters.
However it is quick and easy to seal a door.
Door sweeps reinforce the seal between the bottom of the door and the door jamb meaning you get extra protection from dirt bugs moisture and wind.
A gap between the bottom of the front door and the threshold is easily fixed with a door sweep.
In the winter they let cooler air in and in the cooling season when your air conditioner is running they let cool air out.
Be careful not to overdo it and seal the door so that it can t settle with the rest of the house.
So then the rooms in your house will be colder.
Gaps around your door allow air to pass through creating drafts in your home.
Close the exterior door and look for the largest gap around the door.
As long as the gap is even on an interior door it shouldn t be why a door isn t closing properly.
If the sun isn t shining brightly enough against the face of the door have a helper shine a flashlight along the edges of the.
The gap around a door should be even along all four door edges.
If a door has an open gap above its top edge it will allow air drafts inside and allow interior air to escape.
If you have a large gap at the bottom of your door that may be helping the door to stay plumb.
This can waste energy and become costly until you repair it.
This will reduce the efficiency of your heating and cooling and can make your home less comfortable to be in.
To do it determine where your air leaks are and cover them with weather stripping.
Take measurements along both side jambs and the head jamb then choose weatherstripping for each side that s big enough to fill the largest gap along its run.
Then with the door closed measure the gap between the door and jamb and the door and stop.