A door that starts sliding down slams closed on its own or that opens further on its own needs its springs adjusted.
Balance garage door.
Balancing a garage door does not involve circus tricks teeter totters or special gymnastic skills.
If it stops lower or higher than this range you need to balance the door.
You ll find a helpful explanation on our blog at.
Instead it s all about the relationship between the garage door s weight and the springs used to counter that weight.
Doors that are out of balance will cause extra loads for your opener and may even cause it to fail prematurely.
To know how much of the garage door is unbalanced you ll need to test it.
If that point is more than four feet or less than three feet above the ground you will need to balance the door.
Balance the garage door if it lowers or raises on its own.
Testing it will require moving the door up and then down until you find that sticking point where the door remains suspended when let go.
How to balance the extension spring on your garage door.
Unfortunately too many perfect garage doors fall into disrepair when owners refuse to do regular maintenance.
It should come to rest between three and four feet above the ground.
Watch how the garage door moves when you let it hang freely at the halfway open and fully open positions.
A garage door should stay down when closed open when raised and at the halfway point when raised halfway.
To see if you need to balance your garage door simply lift the garage door a little more than halfway and release it.
Measure that point and if it is four feet or less from the ground then the door will have to be balanced.
An unbalanced door can pose safety issues and tax a garage door opener.
Move the garage door up and down until you find a place where the door stays suspended when you let go.