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Garage door spring is used to open and close a garage door. The extension spring, and the torsion spring are the two basic spring types. Although both springs are dangerous, torsion springs are trickier to handle and more dangerous than extension springs. Extension springs are used specifically for lighter garage doors, such as one-piece tilt-up and sectional doors. They hang from the top of the door, and are anchored near the back of the upper tracks. If you want to install or repair your garage, you can do it yourself. However, extension springs are still dangerous if you are not attentive and follow the repair instructions.
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