WARNING - Springs are under high tension. Only qualified persons should adjust them.
Double Spring (10,000) Facts on a Garage Door
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ADM Garage Doors, Inc.

This is a double spring on a garage door.
- Double spring normally lasts 3 to 6 years
- The two springs cancel each other out and does not have the wear on the end plates.
- Having two springs make more sense because in the future when one of the spring breaks you can lift the door up and you only have to lift half of the weight of the door because of the spring not broken is working for you that way you. This is really important because you never know when the spring will break.
- Installing two springs is best because then we can use two different springs so that we can balance your door just right. This is very important because the easier the opener works the longer it will last.