2026-03-18 7 min read
If you've lived in the Bunn area for any amount of time, you already know the weather here doesn't play nice. Franklin County throws everything at your home. sticky summer humidity that can push well above 90%, hard freezes in January that catch you off guard, and plenty of wet spring weather rolling off the piedmont. Most homeowners think about what that does to their roof or their foundation. Very few think about what it does to their garage door springs. until one snaps and suddenly they can't get their car out.
Springs are the most mechanically stressed part of your entire garage door system. They're doing heavy lifting every single time you open and close your door, and here in Franklin County, the climate puts them under extra pressure. Understanding the warning signs early can save you from an emergency call and a door that won't budge.
This isn't a general statement. it's specific to where you live. The combination of heat, humidity, and seasonal temperature swings that defines the Bunn area creates conditions that accelerate spring wear. Rust and corrosion are the primary culprits. As one North Carolina garage door service puts it, breakage is often caused by "rust eating away at the metal of the spring (especially in wet or humid climates like North Carolina) or cold temperatures that stiffen the springs and cause them to break more easily."
When temperatures swing from a January freeze to a mild afternoon. something Franklin County homeowners experience every winter. the metal in your springs expands and contracts, gradually losing tension. Add in the county's summer humidity and you have a recipe for springs that corrode faster than they might in drier parts of the country. Newer homes going up around Lake Royale and along NC-39 may have brand-new springs, but that doesn't mean they're immune. improper installation tension or a heavier door style can shorten spring life significantly.
For context on spring lifespan: a standard torsion spring is rated for around 10,000 cycles. one cycle being one full open and close. For a household that uses the garage door two to four times a day, that works out to roughly 7 to 10 years. But with Franklin County's humidity factored in, don't count on hitting that upper range without regular maintenance. Check out our full services overview to see what a professional tune-up includes.
This is often the first thing homeowners notice. Springs are designed to counterbalance the weight of your door, making it easy to lift manually or for the opener to handle. When they weaken or break, that weight shifts entirely to the opener motor or your own effort. If your door suddenly feels like it weighs twice as much, your springs have likely lost significant tension. Don't keep forcing the opener. continued use can burn out the motor or strip its gears.
Disconnect your opener and manually lift your door to about waist height. Let go. A door with healthy springs should stay right where you left it. If it drops to the floor or shoots upward, your springs have lost tension or failed entirely. This is a straightforward test you can do yourself in about 30 seconds. and it tells you a lot.
A torsion spring snapping releases stored tension all at once. Many Bunn homeowners describe it as sounding like a gunshot or a car backfiring inside the garage. If you hear that sound and your door stops working properly afterward, a broken spring is almost certainly the cause. Stop using the door immediately and call a professional. Do not attempt to manually force the door open. the cables may be slack and the door can come down fast.
Take a flashlight and look at the springs above your door. Healthy springs have tight, uniform coils. Warning signs include: rust or discoloration on the coils, a visible gap in the middle of the spring (indicating it has snapped), or coils that look stretched or uneven. Rust especially weakens the metal and makes a sudden break far more likely. If you spot rust and you're approaching eight or more years of use, don't wait.
If your door tilts to one side as it opens, or rises in a jerky, uneven motion, one spring may have failed while the other is still working. This uneven tension forces other components. tracks, rollers, cables. to compensate, which can lead to more expensive damage down the road. An off-track door is a much bigger repair than a spring replacement.
Inspecting the springs visually is something any homeowner can do. Lubricating them with a silicone-based or lithium-based lubricant every three to six months is also a good habit that reduces friction and slows rust formation. avoid WD-40, which attracts dust. You can also perform the manual balance test described above.
What you should never do is attempt to adjust or replace torsion springs yourself. These springs are under enormous tension and can cause serious injury or property damage if mishandled. This is a job for trained technicians with the right tools. Our guide on sensor calibration covers another area where DIY attempts can go wrong. the same principle applies here.
If your springs are between 7 and 10 years old, or if you've noticed any of the signs above, don't wait for a complete failure. A planned repair is always cheaper and less stressful than an emergency one. Bunn Garage Doors serves homeowners throughout Franklin County. reach out to schedule an inspection before a small problem becomes a stranded car.
Q: How long do garage door springs typically last in Franklin County? A: Standard torsion springs are rated for about 10,000 cycles, which translates to roughly 7,10 years for average residential use. In Franklin County's humid climate, springs on the lower end of that range are common because moisture accelerates corrosion. If your springs are over 7 years old, an annual inspection is a smart move.
Q: Can I replace just one spring if only one breaks? A: Professionals generally recommend replacing both springs at the same time. If one has failed after several years of use, the other is close behind. Replacing both ensures even tension and prevents a second service call in the near future. which ultimately saves you money.
Q: My garage door opener is making a straining sound but the door still opens. Is that a spring issue? A: It can be. When springs lose tension, the opener motor has to work harder to compensate. A straining opener is one of the earlier warning signs that springs are weakening. Left unaddressed, this can burn out the opener motor. turning a spring replacement into a spring-plus-opener replacement. Have it checked sooner rather than later.