How Do Garage Door Extension Springs Work

Extension springs do as their name suggests.

How do garage door extension springs work. A well balanced door weighs about 8 to 10 lb. Your garage door must always be well balanced by the spring system. Height of the door extension springs vary in length. Do not try to remove the extension spring that is not broken when the garage door is closed.

When your garage door is opened you extension springs contract lifting the door as the tension is released. 3 5 to 4 5 kg and can be lifted with only one hand. Extension springs measurements you ll want to note include. A door opener only does what you would do manually.

Garage door springs offset the weight of the door and allow it to open and close with ease. No matter what type of garage door springs you have it is important to have them in perfect condition always as it is critical in the smooth function of your garage doors. However the pulleys on the garage. Since extension springs are determined by how much weight they each lift and the pulley system cuts this in half you need to replace your old springs with 200 pound extension springs.

A few years back i narrowly avoided being hit by a spring that snapped. A problem with the spring tension could cause the door to open or close unevenly improperly or at the wrong speed and. Calculate the weight of the door using an analog scale. This video will show you how to replace the extension springs on your garage door.

Springs in general last about 10 14 years or 15. Take the measurements to a garage door professional and they ll help you find the right spring. Extension springs weight capacity garage door extension springs are designed to lift a specific amount of weight. Extension springs for 14 high doors won t work for a standard 7 high door.

For example a 100 pound extension spring is capable of lifting 100 pounds. The actual weight of the door likely won t be the exact weight on the scale the weight calculation also needs to consider how many springs are holding the weight and how many broken have released the weight.