Garage Door Springs
Heard a loud bang? Was your garage door springs while also opening up to only half the reach? It is probable that the bang was the mighty snap of your garage door spring.
- It is not a D.I.Y repair, never trust the internet for that.
- Do not try to force the compromised garage door to fully open or close.
- The repair or substitution can only be carried out by Our professionals.
Garage door springs counterbalance the weight of the door to make it easy to open and close. They serve the same purpose of counterweights used to balance doors in centuries past and in many doors today. For example, if a garage door weighs 100 pounds, a spring force of 100 pounds needs to pull against the weight of the door. This can be accomplished with springs that either stretch or torque special parts to assist in balancing the door.
Replacing garage door springs is dangerous because of the torque in a wound torsion spring or the stretch in an extended extension spring. 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. 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 Torsion Springs
Garage door torsion springs are secured to a metal shaft above the garage door. Depending on the system, the shaft may pass through the middle of the springs or spring, or the shaft may sometimes house the spring. If the shaft passes through the middle of the torsion spring, the spring may be mounted in the middle of the shaft or on the end of the shaft by the outside edge of the garage door.
Torsion springs balance the garage door by applying torque to the shaft with drums at each end. Attached to each drum is a cable that extends to and is secured to the bottom fixture at the bottom of the door. The torsion spring unwinds and winds as the door is opened and closed to comprise a balanced system.
Torsion springs have three characteristics that determine the lift and cycle life. These properties are the wire size, inside diameter, and length. The lift, which is determined by the torque of the spring, tells how much door weight the spring can lift. The cycle life tells how many times the garage door should open and close before the spring breaks.
Standard Torsion Springs
Standard torsion springs are the most common residential torsion springs in the garage door industry.
Residential garage doors typically use either one or two springs. On a lighter garage door, one spring will suffice. In that case, the torsion spring may be mounted to the spring anchor bracket in the middle of the shaft above the garage door. Other times, the spring has an offset mount, meaning that installers do not mount the spring anchor bracket above the center of the garage door.
If two torsion springs balance the garage door, they are typically mounted to the spring anchor bracket above the middle of the garage door. Having two springs on the garage door tends to make it safer, especially if one spring breaks when the door is open. The other spring will then keep the garage door from falling and injuring a person or causing damage to the garage door or other property.
What You Need To Know About Garage Door Springs
There are two main types of garage door springs used in the installation and operation of garage doors, extension springs, and torsion springs.
Here is a breakdown of how these garage door springs have their own purpose, offer different functions, and have different costs associated with them:
The most common garage door springs are called a torsion spring. While an extension spring extends to perform its function, torsion springs use torque to perform its function. These springs are sturdy and generally last longer than other kinds.
Torque is a twisting force that causes rotation. So, when the force of the garage door opening or closing is applied (by hand or motor), the coil twists and coils on the shaft.
A torsion spring comes in various lengths and sizes, and the spring you use is determined by the size and opening dimensions of the garage door.
Extension springs are normally found in the upper, horizontal tracks on each side of the garage door. These are commonly used when there is low headroom, making it unable to apply rear torsion springs.
To open the garage door, the springs are extended, creating a counterbalance which supports the garage door. The more the door is open (and the springs are extended), the more force is placed on the extension springs.
With this amount of force on these heavy-duty garage springs, there must be safety measures included in the installation. In the case of these springs, each extension spring is paired with a safety cable.
If there is a malfunction and the spring breaks free, the safety cable will prevent it from shooting freely, which can cause serious harm. The safety cable also protects homeowners if a cable or bracket fails.
It is essential that these safety cables remain in place at all times. This includes any time the door is open, closed, or in motion, as there is a risk of the spring breaking free.
Extension Vs. Torsion – Is One Garage Door Spring Better Than The Other?
Both types of springs are under tremendous force and they each coil or recoil in their own way. This means each of these garage door springs must be well taken care of.
Extension springs tend to be less expensive, and they are often used in residential applications. Because they cost less, many builders use them in new home construction. They are functional and ultimately, cost-effective. While the initial investment is lower, the life of an extension spring versus a torsion spring is much shorter.
Torsion springs have fewer exposed parts, making them safer. They last longer and smoothen the opening and closing of your garage door. However, your initial investment will be greater. They cost more because they last longer.
If you are repairing your garage door, adding to your garage, or thinking about upgrading your garage door opener, consult with a professional garage door repair company to determine which of the different types of garage door springs is better for you, your family, or your business.
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