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.
Garage door 1 spring or 2 springs.
Garage door in many cases will dictate how many springs are needed for your garage door if the garage door is a single car door either 8 7 or 8 8 made of aluminum or other lightweight material then it will.
1 spring vs 2 springs.
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.
Double wide doors need 2 or more springs.
They extend when the door is lowered and closed and retract as it opens.
Counter balance the weight of the garage door.
One spring systems utilize a larger spring that puts added stress on the other garage door system components.
The pair work together to provide a counterweight to the door.
Many builders install one spring on garage door when they install the door.
A garage door generally has two extension springs one on each side of the door and runs parallel to the track.
If one of your garage door springs breaks or is in poor condition replace both springs.
Would you like to replace one spring or two.
Extremely heavy doors may require 3 or 4 springs photo extension springs.
The garage door is still going to be heavy but not unmanageable to lift.
Torsion springs are located over the garage door and the number of springs depends on the size and weight of the door.
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.
When you find yourself looking up at your broken garage door spring with a garage door service technician you will probably be asked.
Damage the garage 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.
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.
Require only one spring.
Doors with extension springs should always have two springs.
In most cases on double door 16 feet wide and larger we recommend replacing with a two spring system.