A proper understanding of garage door springs, garage door weights, garage door parts, and how these are interconnected is essential for safe repairs. Garage door repairs often involve replacing garage door parts that are tied into the spring system, and many accidents, injuries, and deaths have occurred for those who have not understood the forces at work. Replacing garage door springs is dangerous because of the torque in a wound torsion spring or the stretch in an extended extension spring. ![]() This can be accomplished with springs that either stretch or torque special parts to assist in balancing the door. ![]() For example, if a garage door weighs 100 pounds, a spring force of 100 pounds needs to pull against the weight of the door. They serve the same purpose of counterweights used to balance doors in centuries past and in many doors today. Garage door springs counterbalance the weight of the door to make it easy to open and close. ![]() Introduction to Garage Door Springs Video
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