Extension Springs for Garage Doors
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An extension spring system uses springs that stretch and retract to close and open your garage door. To learn more about how an extension spring system works, click here. They are installed along your horizontal track. In an extension spring system, there are two different types of springs: double loop and shackle clip.
Good: Double loop springs use the coils of the spring to create a 2-layer loop at each end that connect to the eye hook and pulley.
Best: The shackle clip spring doesn’t use part of the coil because the clip is bent around the end of the spring. It is not as susceptible to wear and tear as the double loop spring, which ultimately break at the end because of the design.
Harrisburg Area
(717) 384-5822
West Shore | Carlisle Area
(717) 219-9272
York County
(717) 373-5551
Lebanon | Hershey Area
(717) 282-1060
Lancaster County
(717) 282-2979
Perry County
(717) 219-8619
Northern Dauphin County
(717) 281-1182
Gettysburg | Hanover Area
(717) 325-2888
Chambersburg Area
(717) 275-0229
Precision Garage Door Service of Harrisburg
Precision Overhead Garage Door of Lancaster
Precision Overhead Garage Door Service of York
Precision Garage Door Service of Chambersburg
Precision Garage Door Service of Hanover
Precision Garage Door Service of Lebanon
License
PA License #144378