Garage Door Cable Thickness - Perfect Solutions Garage Door
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Garage Door Cable Thickness

As you can see below, garage door cables come in all different sizes. There is of course a logical reason for this. Every garage door is a different size and weight, and needs a cable that suits the particular garage door.

Unfortunately, many repair jobs that we do are caused by garage door cables that snap, or cables that break.

How to garage door cables work?

Cables help to reduce the tension garage extension and torsion springs. A properly sized cable will help to extend the life of your springs. Cables also help your door open and close more smoothly.

A common garage door problem and repair call is a broken spring. When a spring breaks, your cable plays a vital roll in making sure your garage door doesn’t fall down once the spring breaks.

Types of Garage Door Cables

  1. Torsion spring cables.
  2. Safety cables.
  3. Extension spring cables.

How thick should your garage door cable be?

Thicker isn’t always better when it comes to garage door cables. Thinner cables can wear down more quickly, and therefore break or snap faster than a thicker cable. But it really is all about finding the right balance with the size and weight of your door. Thicker cables can obviously support more weight and tension, so the heavier and bigger your garage door is, the thicker your cable will be.

In the picture above of the two cables, you see the spot where cables most often will snap. The new cable is the one on the left and you can see it’s thicker. But again, thicker doesn’t equal better. It’s best to have a professional garage door tech inspect your door and determine what thickness fits your specific door.

It is possible that a cable can be too thick. In this case, your door will be harder to open since it won’t glide over your pulley and drums easily.

The goal is to find a cable thickness that works in sync with the size of your garage door springs, and the weight of your door. When sizing the cable, remember that the gauge of your cable is the thickness, so a higher gauge is a thicker cable.

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