When it comes to garage door springs, there are two main types that you’ll need to know about. These types are used in both the installation and operation of garage doors. For most property types and garage doors, these two types of springs can provide everything you need. They are the extension spring and the torsion spring, and we break both down here. They each have their own purpose, particular functions, and varying costs. It’s a good idea to have an overview of these factors before deciding which spring works best for you and your garage door.
Torsion Spring
Torsion springs use torques to work. They are very sturdy and will typically last you longer than various other kinds of springs. A torque is a twisting force that results in a rotating movement. Basically, what occurs with a torque spring is that the force of the garage door being opened or closed results in the coil twisting on the shaft.
Torsion springs come in a variety of sizes and lengths, and the spring that you’ll need will depend on the size of your garage door, as well as its opening dimensions.
Extension Springs
Extension springs are usually found on the upper and horizontal tracks on either side of your garage door. They are most often used in low-headroom situations where it is impractical or impossible to apply rear torsion springs.
During the opening of your door, these springs will extend, creating a counterweight to support the garage door. The wider your door is opened – and the wider the springs are extended – the more force is applied to the extension springs.
Since a lot of force is applied to these garage springs, safety measures need to be included during the garage door installation process. Extension springs are usually paired with a safety cable. In the case of a malfunction, this safety cable will prevent the extension spring from swinging out freely. If a cable or bracket fails, this safety cable will also protect those using the door. These springs should remain in place at all times, whether the door is opened, closed, or in motion.
Extension or Torsion?
Both extension and torsion springs undergo high pressure during the use of your garage door. Each type needs to be well taken care of, and garage door repair needs to be undertaken if you feel that something is off with your springs or door as a whole.
That said, extension springs are typically less expensive and most often used in residential settings. Their lower cost leads many builders to utilize them during home construction. While cost-effective, they also do tend to have a lower lifespan than a torsion spring. Torsion springs are also safer as they have fewer exposed parts but require a larger initial investment, which is supposed to also cover their longer lifespan. Ultimately, what is best for you depends on your requirements, funds, and property type. If you are the owner of a residential property, an extension spring should do the job for your garage door. If you are looking for springs for a commercial property, we highly recommend a torsion spring.
