If there is a little gap at the bottom of your garage door on one side or your garage door has been jerking back and forth it s probably because there s uneven tension from the springs.
Garage door uneven at bottom.
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When this happens you need to shift it back into position.
The factory seal that came with the door may simply need to be replaced u but if the ebb and flow of the garage floor has created a gap wider than the factory seal can effectively cover then we ll go a separate route.
Put a ladder under the door to make sure it won t close accidentally while you re working on it.
Keep the door open a few feet off the ground as this takes the pressure off the door springs.
Adjusting the limit switches.
Torsion and extension springs.
The most simple and common is door shift.
There are two types of springs.
There are several things that can cause this.
How do i fix the gap at the bottom of my garage door.
Adding extra concrete to the floor.
Who knew you and your garage door could have so much in common.
Installing the threshold seal etc.