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Torsion Garage Door Spring

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Unlike extension springs which must work in pairs, the torsion garage door spring can be used singly or in pairs. The short answer to whether you should use one or two torsion springs is that two springs are your best bet. One exception is when you have a very light-weight door such as a single car garage door made of aluminum. Here are three considerations when choosing between one or two torsion springs for your garage door.

Safety

This is the most important reason for using two springs. Since it isn't likely that two springs will break at the same time, then the second spring serves as a backup should the other spring break. This means the door won't slam shut as violently when one spring breaks. It may still come down fast but it will

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