Metro Garage Doors - Garage Door Spring Services Livermore, CA - 925-384-0154
Torsion Springs
Torsion springs are a type of spring that is used to deal with the weight of your garage door. it is operated by the placement of a beam, typically at the top of the garage door. The spring is operated by a cable As the door goes up the torsion springs uncoil, which allows it to properly operate. Closing the door occurs with the torsion springs moving in an opposite operation.