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BlogChapel Hill, NC · 3 min read

When a Spring Goes in Cold Weather in Chapel Hill

Why garage door springs fail more in Chapel Hill's cold snaps, what the 1980s-90s housing stock here means for repairs, and when a call can't wait.

A torsion spring is mounted above a garage door with two windows above.

Local detail

What Is Going On

Most houses around Chapel Hill went up between 1967 and 2006, with the bulk of that stock dating to the 1980s and 90s across the ten areas we cover. A torsion spring on a door that age has usually been replaced once already, and a fair number are on their original coil from whenever the house was built. Steel fatigues with cycle count, not with calendar years, but cold makes the failure sharper. In a moderate cold climate like ours, a spring that's already near the end of its life loses a little flex on a cold morning and the last few degrees of temperature swing is what snaps it. You'll usually hear it - a bang from the garage, sometimes loud enough to notice from inside the house. The door won't move, or it'll lurch up a few inches and stop. That's the spring, not the opener, and it's not something you fix by hitting the remote twice.

The area

When to Call Someone

If the door won't lift, or lifts crooked with one side higher than the other, stop using the opener. Pulling a door up on a broken spring with the motor puts the full weight on the opener's drive gear and on whatever cable is still holding, and that's how a spring failure turns into a track or cable job too. Call before you force it a second or third time. If you've got an older torsion setup - common on houses from the 1980s and 90s that make up most of the stock here - parts for the original hardware aren't always something we carry on the truck, since torsion bar sizing and drum style changed over the decades. That can mean a short wait on a part rather than a same-visit fix, and we'd rather tell you that up front than pretend otherwise.

What we find

The Common Mistake

The mistake we see most is treating a stiff, slow-moving door as a lubrication problem instead of a spring problem, especially once the weather turns cold. People spray the track, work the door up and down a few times to "loosen it up," and keep doing that for weeks. A spring that's lost tension doesn't come back with oil. Cycling it harder on a cold morning when the steel is already stiffer just speeds up the failure, and it usually fails at a worse moment than a weekday afternoon. The other version of this mistake is replacing one spring on a double-spring door and leaving the second one, which is years into the same fatigue cycle, alone. It tends to go within months, often on the next cold snap.

How we work

How Local Conditions Play In

Chapel Hill sits in a moderate cold climate band, not the kind of place that sees extreme deep freezes, but enough swing in temperature through the winter to matter for steel under tension. A spring near the end of its service life behaves differently at 30 degrees than it does at 70, and that gap is exactly where failures cluster on older coils. Combine that with a housing stock centered on the 1980s and 90s build years, and you've got a lot of springs in this area sitting right at the edge of their cycle life heading into the colder months. None of that means every door needs attention. It means a door that's been sluggish or noisy for a while is worth a look before, not after, a cold morning finds the weak point for you.

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Questions

Common questions

Why did my spring snap on a cold morning and not during the summer?

Steel loses some flexibility as it gets colder, and a spring already near the end of its cycle life has less margin to begin with. A moderate cold snap is often enough to push a tired spring over the edge, which is why we see more of these calls through the colder months than in summer.

My house was built in the 1990s - is the spring original?

It's possible, but unlikely at this point. Torsion springs are rated by cycle count, not age, and a door used daily for 25-30 years has usually gone through at least one replacement already. If you don't know the history, a quick look at the coil tension can tell us where it stands.

Can you always fix it the same day?

Usually, but not always. Some older torsion setups from the 1980s and 90s use bar sizes or drum styles we don't carry on every truck, so a less common part can mean a short wait. We'll tell you up front if that's the case rather than guess.

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