Q & A – What is the difference between torsion and extension springs? Which one is better?

A: Extension springs are mounted on each side of a door, stretch out when the door is closed, and work independently of one another. Torsion springs are mounted on a shaft above the door and lift the door with a smoother motion than the extension springs, making a torsion spring system the better system. Also, torsion springs have an average lifespan of 15,000 to 20,000 lifts opposed to the 5,000 to 10,000 lifts of extension springs.

Overhead Door Company of Atlanta™
Years in Business: 84
Associations: GAHBA, IDA
404.872.3667
www.overheaddooratlanta.com

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