If the concrete sags on one side you do not adjust the door to fit it.
One side of garage door higher than other.
Arc length on shaft.
There are several things that can cause this.
The door should be parallel to the header.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Adjust the springs on both sides of the door the same way.
When the door is placed directly on the floor and it s not level it causes one side of the door hinge or latch side to be higher than one another.
It also depends a lot on the number of years the door has been up as it could be that the door springs have become worn.
The replacement garage door should be one that hangs above the front of the garage and lowers down from the outside so it doesn t affect the height of the garage.
Doors also rise on one side when the cable is not properly seated on the cable drum on the opposite side.
When this happens you need to shift it back into position.
If you mean that one side of the garage door is lower than the other and that it hasn t always been this way then you do have a problem.
The most common cause of overhead type doors being out of level is frayed cables that grow in length as they fray.
If it was opening too quickly move it to the next lower hole.
A crooked garage door could potentially be the sign of a much larger problem.
If you have a 1 gap under the door it isn t necessarily that the door is crooked.
The easiest way to solve this problem is when installing the door space the jambs off the floor when possible.
If you ve had your door for a while or are in and out of it a lot it can easily end up out of alignment.
It may be the spring.
Chord length on shaft.
An alternative would be a pocket garage door that slides sideways on tracks from within the garage door itself so that again the height or width are not effected.
The door runs are housed in a garage door track one on each side of the garage door.
Maybe someone bumped into it recently.
The most likely cause is that the floor is not perfectly level.
Repair a crooked garage door with help from a garage door specialist in this fr.
The most simple and common is door shift.
I ripped off the old bottom seal since one side of the garage always got wet in rain or snow and i could see that the seal was deteriorated at that side so went and got a new seal removed the old one sanded it slightly then applying the new seal that one side still has 1 2 space higher than the rest of the door.