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What’s the Difference Between Oil Tempered and Zinc Galvanized Springs?

Garage door springs work hard to make your door open and close many times each day. When a spring breaks, you need to replace it right away. It’s hard to know what type of spring to install for your door.

Oil-tempered and zinc galvanized springs both have plenty to offer your door. Before you buy, there are a few things to consider. Here’s a look at each one and what you need to know.

The Purpose of Garage Door Springs

Garage door springs keep your door from falling during the opening and closing cycles. The great thing is they also make the door lift enough for you to manually opening and close. It’s very dangerous if the springs break. A professional can help you replace them when this happens.  

Oil Tempered VS. Zinc Galvanized Springs

Oil Tempered Springs

These types of springs are actually torsion springs that undergo a process to strengthen them. The spring wires heat and then bathe in hot oil. After the heating process, the oil is slowly cooled to temper the metal. This process makes sure the springs are less prone to damage.

Many garage door manufacturers offer this type of spring. They are more available and cost less to make. They are very durable and long-lasting.

Zinc Galvanized Springs

Zinc galvanized springs are another type of torsion spring. They go through a process similar to oil tempered springs except for a few differences. Rather than being dipped in oil, these springs bathe in high heat molten zinc. After they come out of the bath, oxygen hits them. The oxygen shapes them into zinc oxide and eventually a zinc carbonate. This process leaves behind zero residues which makes them almost rust-free.


Oil tempered springs don’t last a long as zinc galvanized springs but they do keep their strength a bit longer. There are people who choose zinc galvanized springs since they’re most resistant to rust. That is why they usually last longer than oil tempered springs.

The process for oil tempered springs keeps the moisture in. For this reason, they are more prone to rust.

Installation Process

If you don’t like a noisy garage door, you may not want to install the zinc galvanized springs. They tend to make more noise during opening and closing cycles.

If you install the oil tempered springs, keep in mind that they’re messy. Due to the oil dipping process, they leave residue behind. If you install this type, make sure you wear gloves.

Adjusting the Springs

Both of these types of springs have adjustment requirements. The zinc galvanized springs need frequent adjustments because they lose their strength quicker than oil tempered springs.


Oil tempered springs typically cost less to manufacture. Therefore, they don’t usually cost as much to buy as zinc galvanized springs. Zinc springs cost a little more to make and aren’t as available to buy.

This is a quick look at the difference between oil tempered and zinc galvanized springs. If you’re ready to replace your springs, call your local garage door experts and they’ll answer any questions for you.

You Can Trust Us for the Job

positive reviews

They sent Doug Fussell out to my house on the day after Christmas! I had only called them three days before! Doug was a premier technician, very thorough and very efficient. I expected him to take two days, since he was replacing two doors and adding openers on each door. He only took the daylight hours of one day! I could not believe how fast he was! In addition, he thoroughly taught me how to use the remote openers. I highly recommend them to anyone!
~Donald B.

positive reviews

We just bought a home and this company was so understanding as I had to change the appointment time a few times. Then the tech came out and was so kind and helpful. I could not have asked for a better experience and will suggest them to anyone who needs work done on their garage door!
~Tammy K.

positive reviews

My garage door broke on a Saturday night as I was getting ready to leave for a holiday party. Kelvin was here within 30 minutes. He reviewed everything with me that was happening with my door. He gave me the estimates of what was immediately needed to be done in order for my door to raise and then what I will need to have done very soon. I could see all the problems he pointed out to me and I decided to have everything done. He completed everything that night. I was very satisfied with Kelvin’s professionalism and the work he did. Thank you again.
~Joyce N

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