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Spring basics

How Garage Door Springs Work

Garage door springs store and release energy to counterbalance the weight of the door. This makes the door easier for the opener to move and easier to control when properly balanced.

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The counterbalance job

As the door closes, the spring system stores energy. As the door opens, that energy helps offset the door's weight. Cables, drums, pulleys, and related hardware transfer that force depending on the spring system.

What happens when a spring breaks

The door can become suddenly heavy, the opener may strain, and lift cables may lose normal tension. A visible spring gap is a common clue on torsion systems.

Spring service

Garage door spring repair →

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