So i guess you are going to have to look into a floor leveling compound for this uneven garage floor.
Garage door uneven floor.
And there s a variety of products out there that this can work with.
Measure the width of the door.
Manually close the garage door onto the seal so you can adjust it to a precise location.
Clean the area where the garage door meets the floor to encourage good adhesion.
Lay out the seal from one edge of the garage door opening to the other and cut it to the proper length.
Then you have to consider the most significant gap and choose the seal size accordingly.
My garage has an uneven floor.
Mother nature plays a large role in helping your garage floor get out of whack.
Complete this step with a partner s help.
But the key is is it s not just more concrete.
Open the garage door.
Here the gap is the distance between the floor and the bottom of the door.
Mark out the location of the seal on both sides along the garage floor with a pencil.
Move the garage door up and down until you find a place where the door stays suspended when you let go.
When your house was built and the garage floor was poured assuming it s concrete of course it was level new and gorgeous.
This is a common issue we run into especially with older garages.
Now some years have passed and your garage floor is less than perfect.