2026-04-16 6 min read
If your garage door suddenly stopped opening this morning, there's a good chance you're dealing with a broken spring. It's the single most common reason a functioning garage door goes completely dead overnight. no warning, no gradual decline, just a loud bang at 6 a.m. and a door that won't budge. For homeowners in Lumber Bridge and the surrounding Robeson County area, this happens more often than it should, and the local climate is a big reason why.
Robeson County sits in the Coastal Plain of southeastern North Carolina. The humidity here is real. levels routinely reach into the 70,80% range during the warmer months, and the area sees more than its share of moisture from tropical weather systems moving inland. Robeson County has logged more presidential disaster declarations than the national average, with hurricanes and tropical storms accounting for a significant share of that history.
All that moisture is hard on torsion springs specifically. Rust eats into the metal of the coils. often from the inside out, where you can't see it during a casual glance. until the spring simply can't hold tension anymore and snaps. In humid climates like this one, springs that might last 10,12 years elsewhere can fail well before that. The problem is especially common on doors that haven't been lubricated regularly, since bare metal corrodes much faster than metal with a protective coating of lubricant.
If you've read our post on how humidity and heat damage garage door hardware, you already know that the Lumber Bridge area puts extra wear on every metal component. Springs are the most vulnerable.
You don't need to be a technician to spot the signs. Here's what to look for:
- A loud bang from the garage. This is the most definitive sign. A torsion spring releasing under tension sounds like a gunshot. If you heard it and now your door won't move, the spring is broken. - The door feels impossibly heavy. A properly balanced door should feel like roughly 10,15 pounds when you lift it manually. If it feels like you're lifting the car, the spring isn't doing its job. - Gaps in the spring coil. Look up at the horizontal spring above your door. A healthy spring has coils touching each other tightly. A broken spring has a visible gap, usually 1,3 inches wide. - The opener strains but the door doesn't move. The motor is working, but without spring support, it can't lift the door's full weight. Stop using the opener immediately. you'll burn out the motor. - The door opens unevenly or sags on one side. Most double-car garage doors have two springs. If one breaks, the door will rise crookedly and may come off the tracks.
Some of these signs overlap with cable issues, so if you're not certain, check out our full breakdown of common garage door repairs to narrow it down.
Garage door spring replacement is priced based on the type of spring, the size and weight of your door, and whether both springs need to be replaced at once.
Torsion springs (the most common type on residential doors) typically cost $150,$350 per spring installed in North Carolina, including labor. Extension springs. found on older or lighter doors. run somewhat less, usually $120,$200 per spring.
If both springs need replacing, expect to pay $200,$450 for the full job, which is almost always the recommended approach. Here's the honest reason: if one spring breaks, the other one has the same miles on it. It's not far behind. Replacing both at the same time costs a little more upfront but saves you a second service call. and a second labor charge. in a few months.
In a rural area like Lumber Bridge, labor rates tend to be more reasonable than in larger markets like Fayetteville or Lumberton, though if your location requires a longer drive from the service provider, that can be a factor in pricing. Always ask for an itemized estimate before work begins.
Torsion springs are mounted horizontally above the door on a metal shaft. Most residential garage doors built in the last 15,20 years use them. They're safer, last longer, and provide smoother operation because the force is applied evenly as the door moves.
Extension springs run along the horizontal tracks on either side of the door and stretch and contract as the door opens. They're more common on older doors and lighter single-car setups. They're generally cheaper to replace but have shorter lifespans.
If you're not sure which type you have, look above and to the sides of your door. that will tell you right away.
Let's be direct about this. A torsion spring holds an enormous amount of coiled energy. enough to hoist a 200,400 pound door off the ground. If that energy releases unexpectedly during a DIY repair attempt, the spring can whip across the garage at high speed. The U.S. Consumer Product Safety Commission reports approximately 30,000 garage door injuries annually, with a significant number tied to improper spring handling.
Beyond the safety issue, there's a practical one: replacing a spring incorrectly throws the entire door system out of balance. An unbalanced door puts strain on your opener motor and cables, leading to additional failures and repair costs that exceed whatever you would have saved by doing it yourself.
This is one area where calling a professional is just the smarter move. not just for safety, but because a trained technician will also check your cables, rollers, and hardware while they're there, catching problems before they become emergencies. See our services page for details on what a full spring replacement service includes.
Once you've had your springs replaced, a few habits will help them last as long as possible in Lumber Bridge's climate:
- Lubricate springs every 6 months with white lithium grease. This slows corrosion significantly and reduces friction during operation. - Test door balance every year by lifting manually to waist height and releasing. It should stay put. - Have the door professionally inspected once a year, ideally before storm season. Robeson County's storm exposure means hardware takes more abuse here than in drier regions. - Consider high-cycle springs if you're replacing hardware on a heavily used door. Budget springs are rated for 5,000,10,000 cycles. Premium high-cycle springs can reach 25,000,50,000 cycles. a meaningful difference in longevity for a door that opens multiple times a day.
Ready to get it sorted? Contact Lumber Bridge Garage Doors to schedule a same-day assessment. we're local, we know this area, and we'll give you a straight answer on what your door actually needs.
Q: Can I still use my garage door if I think the spring is broken? A: No. Using the opener with a broken spring puts extreme strain on the motor and can cause it to burn out. turning a $200 spring repair into a $400+ repair that includes the opener. If you need to get your car out, disconnect the opener and lift manually with help, but avoid using the system until the spring is replaced.
Q: Should I replace one spring or both at the same time? A: Both, almost without exception. When one spring breaks, the other has logged the same number of cycles and is near the end of its life. Replacing both at once keeps the door balanced and saves you from paying a second service call fee in a few months.
Q: How long should new garage door springs last in the Lumber Bridge area? A: Standard springs are rated for 10,000,15,000 cycles, which works out to roughly 7,10 years with average use. In the humid climate of Robeson County, regular lubrication is especially important. unlubricated springs corrode faster and fail earlier than their rated cycle count.