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.
Double wide doors need 2 or more springs.
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.
Torsion springs are located over the garage door and the number of springs depends on the size and weight of the door.
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.
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.
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.
The garage door is still going to be heavy but not unmanageable to lift.
If one of your garage door springs breaks or is in poor condition replace both springs.
Before you choose the right spring size make sure you know which type of spring system your door uses torsion or extension.
Many builders install one spring on garage door when they install the door.
Require only one spring.
Choosing the right spring size for my garage door.
Counter balance the weight of the garage door.
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.
The pair work together to provide a counterweight to the door.
Damage the garage door.
1 spring vs 2 springs.
When you find yourself looking up at your broken garage door spring with a garage door service technician you will probably be asked.
A garage door generally has two extension springs one on each side of the door and runs parallel to the track.
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.
One spring systems utilize a larger spring that puts added stress on the other garage door system components.
Doors with extension springs should always have two 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.