There are two types of garage door springs: Extension and torsion. Springs play a crucial role of counterbalancing garage doors, hence making it easy for you to close and open the door. A counterbalance effect is similar to what people of the same weight would do on a see-saw. If the two stood on opposite sides of the see-saw, it would balance. Similarly, with a garage door weighing 100 pounds, you would need springs that exert a force equivalent to 100 pounds. Important caution on garage door spring balance This is not to scare you, but garage door springs can…