If you ve noticed a large or small gap on the bottom.
Gap under wooden front door.
The void i would use expanding foam from both sides.
That is a lot of room for unlevel you have there.
The standard i use is 1 2 over finish floors 3 4 is acceptable.
Water leaking from the top of the door frame.
A door gap resulting in light under the door or peeking around the edges of the door.
A drafty door with chilly drafts air blowing through your entryway.
The door is probably touching the side jamb at the top of the door leaving no gap at all.
Water leaking around the door or water leaking under the door or door bottom.
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.
As with the top piece your side pieces will need to fit onto the door frame instead of the actual door and the foam should fill the gap around the door.
A visible door gap between the door and door frame.
Check that the stud walls on either side are plumb before you get into bigger issues.
If you have a good clean flake free gap from the outside i would use a good quality frame silicon.
It s supposed to be a uniform gap of one eighth inch on both sides of the door and along the top of the door.
Let set then remove the excess.
Reset the door so that it is level and plumb.
If you have a large gap at the bottom of your door that may be helping the door to stay plumb.
The odds are you ll see a larger gap at the top of the door on the top edge that s above the handle or door knob.
To fix the issue the doors need to be removed bottom of the jambs cut and reset the door.
I have never seen a door set with that big of a gap unless it was to get past floors that were not level.
Remove the frame screws from the hinge you identified but leave the.
Position the side pieces of weather stripping along the sides of your door frame.