2026-04-06 7 min read
If you've lived in Kannapolis long enough, you know the weather here doesn't play favorites with your home. Summers push into the low 90s with humidity that makes a sauna feel comfortable, then winter rolls in with overnight lows that dip to freezing and occasional ice storms from January through March. That constant thermal cycling. hot, cold, wet, dry. puts real mechanical stress on garage door springs over time. Most homeowners don't think about their springs until they fail completely, and by then the door either won't open at all or, worse, crashes down unexpectedly.
Spring failure is one of the most common garage door problems we see across the Kannapolis area and into neighboring Concord. The good news is that failing springs almost always give you warning signs before they snap. Here's what to watch for.
Stand outside and watch your door rise the next time you open it. If one side lifts faster than the other, or if the door tilts at an angle as it travels up the tracks, that's a strong indicator that one spring has more tension than the other. Garage doors typically use either a single torsion spring mounted above the door or two extension springs running along the horizontal tracks on each side.
When the spring system is unbalanced. whether due to wear, a partial break, or improper tension. the opener motor compensates by working harder on one side. Over time, this damages the opener, the cables, and the tracks. Don't ignore a lopsided door; it won't fix itself.
This one is hard to miss. When a garage door spring snaps under full tension, it sounds like a gunshot inside your garage. Many Kannapolis homeowners who have experienced this describe it as thinking someone slammed a car door or set off a firecracker. If you hear a sudden, sharp bang from your garage. especially overnight when the garage is cold. check your springs immediately.
A broken torsion spring is obvious: you'll see a gap in the coil, usually right in the middle. A snapped extension spring may sag visibly along the track. Either way, stop using the door immediately. Attempting to operate a door with a broken spring puts serious strain on the opener and creates a real safety hazard. a heavy door with no spring tension can fall fast.
If you're ever in that situation and need urgent help, our emergency services are available to get your door safe again quickly.
Garage door springs do the real heavy lifting. literally. A standard residential door can weigh anywhere from 130 to over 300 pounds, and the springs counterbalance that weight so the opener motor only has to manage the remaining few pounds. When springs lose tension or begin to fail, that counterbalance goes away.
Here's a simple test: disconnect the opener (pull the red emergency release cord) and try lifting the door manually from the bottom. A properly balanced door should lift smoothly with one hand and hold itself open at about waist height. If it feels like you're bench-pressing it, or if it drops immediately when you let go, your springs are losing tension and need attention soon. You can read more about what different door behaviors mean in our post on noisy garage door diagnosis.
Take a flashlight and actually look at your springs. For torsion springs, you're looking for a visible separation in the coils. a gap where the metal has pulled apart. For extension springs along the sides, look for coils that are stretched out unevenly, or spots where the metal looks thinner or corroded.
Rust is a particular concern in Kannapolis given the area's high relative humidity, which consistently runs between 70,76% throughout the year. Rust weakens the metal over time, making springs brittle and far more likely to snap under normal load. If you see surface rust forming on your springs, it's a sign they've been working in tough conditions and their lifespan may be shorter than average.
Lubrication with a proper garage door lubricant (not WD-40, which actually strips grease) can slow rust development, but it won't reverse metal fatigue already in progress.
Your garage door opener has built-in force sensors designed to detect resistance and reverse the door if something is in the way. When springs weaken, the door becomes heavier than the opener expects. You may notice the opener making a louder, straining noise than usual, moving more slowly, or reversing partway through the cycle as if something is blocking the door.
This is your opener's safety system doing its job. but it's also telling you the mechanical system underneath is struggling. Running your opener repeatedly against failing springs accelerates wear on the motor and drive mechanism. If your opener starts behaving erratically, don't just adjust the force settings to override it. Have the springs inspected first. See our full list of garage door services to understand what a professional inspection covers.
Most residential garage door springs are rated for about 10,000 cycles. one cycle being one open and one close. For a typical household that uses the garage door four times a day, that works out to roughly 7 years of use. Homes in active neighborhoods like Kellswater Bridge or Afton Village, where the garage is the primary entry point for the family, may cycle through springs faster.
The Kannapolis climate accelerates wear beyond just cycle count. Temperature swings from below freezing in January to 90°F in July. combined with high summer humidity. cause metal to expand, contract, and oxidize more than in milder climates. Springs installed during the construction boom the area has seen over the past decade are now approaching the end of their expected service life.
This is one repair where the answer is clear: call a professional. Garage door springs are under extreme tension. a torsion spring holds hundreds of pounds of stored energy. Releasing that tension without proper tools and training is genuinely dangerous. This isn't a scare tactic; spring-related injuries are among the most common serious garage door accidents.
For replacement, most torsion spring jobs run between $150,$300 depending on spring size and whether you're replacing one or both (always replace both even if only one has broken. they wear together). Extension spring replacement is typically less expensive. Garage Door Kannapolis can assess your specific setup and give you a straight answer on what's needed and what it'll cost. Visit our FAQ page for answers to common questions about spring replacement and other repairs.
Technically the opener may still move the door, but you shouldn't. Operating a door with a broken spring puts extreme stress on the opener motor, cables, and hardware. It can cause secondary failures and creates a safety risk if the door drops unexpectedly. Disconnect the opener and call for service.
Torsion springs are the large coiled springs mounted horizontally above the door opening on a metal shaft. Extension springs run parallel to the horizontal tracks on each side of the door and stretch when the door closes. Most newer homes in the Kannapolis area use torsion springs, which are generally more durable and safer.
Yes. and this is advice worth taking. Both springs are the same age and have experienced the same wear. When one breaks, the other is likely close behind. Replacing both at the same time saves you a second service call within months and ensures the door is properly balanced.