In most cases on double door 16 feet wide and larger we recommend replacing with a two spring system.
Garage door 1 spring or 2 springs.
A garage door generally has two extension springs one on each side of the door and runs parallel to the track.
Doors with extension springs should always have two springs.
1 spring vs 2 springs.
Double wide doors need 2 or more springs.
With a double torsion spring application if the garage door is in the closed position and one of the two torsion springs breaks there is usually enough power in the other torsion spring for you to still lift the garage door and get your car in or out.
If your door has two springs the quick answer is most definitely change both springs to not only save yourself money but also to prevent any more inconvenience in the near future from another broken spring.
Many builders install one spring on garage door when they install the door.
If you have very large heavy door then two or more springs will be required some very heavy wood doors may require 3 or even 4 springs to provide enough lifting strength to.
Damage the garage door.
They extend when the door is lowered and closed and retract as it opens.
Choosing the right spring size for my garage door.
Before you choose the right spring size make sure you know which type of spring system your door uses torsion or extension.
The pair work together to provide a counterweight to the door.
Would you like to replace one spring or two.
When you find yourself looking up at your broken garage door spring with a garage door service technician you will probably be asked.
Extremely heavy doors may require 3 or 4 springs photo extension springs.
Counter balance the weight of the garage door.
The garage door is still going to be heavy but not unmanageable to lift.
There are two at either side of the door to help with the tensile strength of each spring even though the extension is separate from one another.
After entering your spring information you will see your old spring and then a pair of springs one left wind and one right wind that is compatable with your garage door.
Torsion springs are located over the garage door and the number of springs depends on the size and weight of the door.
If one of your garage door springs breaks or is in poor condition replace both springs.
Once you have your torsion spring measurements and your garage door height go to our find my spring database and click on the convert from one spring to two tab.