Once your garage door is secured remove the spring hook from the track hanger which will allow you to move the hook and adjust the spring s tension.
Tighten garage door torsion spring.
A quarter turn at a time will do it.
It may take a few trips up the ladder but resist the urge to tighten your door too quickly this can lead to busted springs and serious injury.
To adjust your garage door s side mounted springs first open your door fully and secure it in place with a c clamp below the bottom roller.
This can make the other parts of the garage door last a much longer time.
Remove the winding bars and repeat the process on the other torsion spring before releasing the c clamps and testing the door.
The article provides installation instructions for springs and adjustment information torsion spring information.
I have been in construction most of my life and i personally know a few garage door installers.