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How an Extension System Works

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How an Extension System Works

Extension spring systems use springs that stretch and retract to close and open your garage door. As the garage door closes, the extension springs which run along the horizontal track on each side of the door expand and are under great tension. Operating cables attached to the bottom of the door on either said offer counter balance strength. Safety cables help contain the springs in the event they break. As the door goes back up, the springs retract using that strength to pull the door to the open position.

Extension spring system inside of garage

Extension spring systems come with their own pros and cons. One advantage of this system is that each side of a spring system works independently to compensate for uneven ground. On the other hand, they require more parts, such as the pulleys and operating cables, and usually need more maintenance.

Tech installing extension spring

Older homes typically use extension systems because they have limited headroom in the garage, which is needed for a torsion system. Headroom is the available overhead space over the door height, and varies for each garage. However, any home, regardless of age, requires a minimum amount of headroom to  transition to a torsion spring system.

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Jackson Area

601-203-0330

601-203-0330
Flowood Area

601-882-9294

601-882-9294
Madison Area

601-499-4356

601-499-4356
Brandon / Pearl Area

601-882-9294

601-882-9294
Canton Area

601-691-4576

601-691-4576
Clinton Area

601-499-4356

601-499-4356
Ridgeland Area

601-203-0330

601-203-0330
Copiah County

601-691-4576

601-691-4576
Simpson County

601-691-4576

601-691-4576
Precision Door Service
Office: (601) 944-4242
113 N Layfair Drive
Flowood, MS 39232

License

Contractor License
23956-SC