The problem seems to be that the space between the door and the top of the doorway when the door is closed is just wider than the space covered by the weather stripping.
Gap at the top of garage door.
There is about a 1 1 2 gap.
The top however is not flush against the frame.
Adjust your limit.
Mice can squeeze through a garage door gap the size of a dime.
Move the hinges down on the door by the width of the gap minus 1 8 inch.
And the extra width door always sags more too and this pinches it tight right in the middle.
With these removed it will close another 1 2 or so but there is still a gap.
Then repeat the process for the opposite garage door.
If you have an opperator then it will push the top of the door tight but if you are just latching it from underneath there is nothing holding it tight at the top so this has been our fix for that and werks swell.
I removed the sleds and the garage door opener arm so that i could see if those were inhibiting its closing all the way.
How to fix a gap at the top of a door step 1.
How to adjust a garage door gap 1.
Look at the tracks.
A garage door gap of almost any size is an invitation to unwanted guests.
Extract the middle screw from the top hinge using a screwdriver or a power drill if the door sags.
The stops on your garage door are rubber seal that runs along the edges of your garage door.
The door closes flush to the bottom of the floor.
Rats need no more than the size of a quarter.
Measure the width of the gap then remove the door from the jamb and take the hinges off the door.
Fill in the notches where the hinges were with thin pieces of wood.
Aim a 2 1 2 inch.
If the gap between the door and the jamb is large and consistent the door is mounted too low in the jamb.
In fact if i disengage the garage door opener and slowly lower the door manually i reach a point where the door is nearly closed and the seal across the top looks just exactly like it s supposed to.
A very small gap is fine and will let your garage breathe.
Gaps along the sides and top of the door let in wind rain and snow and gaps along the floor let in not just weather but also critters.
When the door is closed is it perfectly vertical.