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Why you shouldn't change a garage door spring yourself

Updated on December 18, 2014

Garage Door Springs

There are a few different types of garage door springs, torsion springs, extension springs, and commercial springs. The garage door torsion spring is located above the garage door on the shaft. The extension spring is located on the sides of the garage door next to the track. Commercial springs are located above the garage door on a shaft.

Residential garage door torsion springs come in varying sizes and can be used up to 10,000 cycles. The garage door cycle is the up and down movement of the garage door. The residential torsion spring can break due to use, weather, or weak metal. Residential torsion springs are used on a single garage door setup or a two car garage door setup. The spring setup varies by the weight of the garage door. A heavy garage door requires two torsion springs to aide the garage door opener in lifting the garage door.

The extension garage door spring is generally used on a single car garage door. The function of the extension spring is to stretch to aide with the opener with lifting and lowering the garage door.

The commercial garage door torsion spring is generally a two spring setup on large commercial garage doors. The size of the spring can vary as well as the cycles of use. The commercial garage door spring can have a cycle life of up 25,000 cycles.

Torsion garage door springs are wound with tension and special tools. The springs are wound 1 full revolution per foot height of the garage door. For example, if the garage door is 7 foot tall, the garage door needs to be wound seven full revolutions and the garage door is wound in quarters.

Reasons Not to Try Changing a Spring

The garage door torsion springs are under tension, and the tension on the spring will cause the spring to make a popping sound when it breaks. Most people do not realize that the garage door spring breaks until they try to open their garage door and it will not open.

Reasons Not to Try Changing a Spring:

1.Bodily Injury

2. Special tools are needed

3. Knowing how many revolutions it takes to wind the tension

4. Knowing the size of the springs, springs do not have their sizes written on them

5. Sharp edges on metal can cut a finger

6. There are many pinch points

Garage Door Usage

Do you use your garage door as a main entryway?

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Residential Torsion Spring Setup on Two Car Garage

two car torsion spring garage door setup
two car torsion spring garage door setup | Source

Do It Yourself Kits

There are some do it yourself garage door spring kits sold at some retailers such as Menards, Lowe's, and Home Depot. These spring setups are not reliable, they are made of inferior materials, will not last as long, and will most likely be installed incorrectly. Having a torsion spring installed incorrectly will cause the garage door opener to wear out faster. The purpose of the garage door spring is to aide in the lifting and lowering of the garage door spring. The garage door opener cannot handle this operation alone. Most garage door openers have plastic materials inside and will break if lifting garage door with a broken or incorrectly installed spring.


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