2026-07-19 7 min read
In our years serving Gastonia, we've seen this question come up constantly: "What kind of springs does my door have, and does it matter?" The answer is yes, it matters hugely. Your garage door uses either torsion or extension springs, and they work in completely different ways. Knowing which type you have can save you time, money, and a lot of headache when something breaks.
Torsion springs sit horizontally above your garage door opening, mounted on a metal shaft. When you open the door, the spring winds up tightly, storing energy. That stored energy is what actually lifts the heavy door. When you close it, the spring unwinds gradually, controlling the descent so the door doesn't crash down.
Think of it like a clock spring or a mousetrap. The tension is coiled inside the spring itself. This design is more efficient, safer, and gentler on your garage door opener motor. Most modern homes in Gastonia and across the Charlotte area have torsion springs because they're the industry standard now.
Torsion springs typically last 7 to 9 years with normal use (roughly 10,000 cycles). They're also more compact, which means they don't need as much clearance inside your garage.
Extension springs run vertically along both sides of your door opening, usually above the horizontal tracks. Instead of twisting, they stretch out when the door opens. When the door closes, they contract, helping to pull it back up.
Older homes and budget installations often use extension springs. They're cheaper upfront, but they come with trade-offs. Extension springs wear faster, typically lasting 4 to 7 years. They're also less safe because if one snaps, the other side may not have enough force to hold the door, and it can fall suddenly. That's why extension springs require safety cables running through the center of the spring to catch it if it breaks.
If you've got extension springs and one snaps, the whole door becomes a safety hazard. Check out our guide on what to do if a spring snaps for immediate steps.
Walk into your garage and look up at the space directly above your door. If you see a single thick metal coil running horizontally across the top (usually with a metal shaft through the center), you have torsion springs. If you see springs on both sides running up and down along the tracks, those are extension springs.
You can also check your garage door opener. Torsion spring doors are usually quieter and smoother because the spring handles most of the lifting work. Extension spring doors often rely more on the opener motor, so they're louder and the motor works harder.
**Need garage door springs in Gastonia today?** Call 19804144165. We cover same-day service across the area, including spring replacement and repairs.
Torsion springs cost more to replace, typically running $200 to $400 per spring depending on size and quality. Extension springs are cheaper, usually $100 to $250 per spring. However, with extension springs you may need both replaced at the same time for balance, plus safety cable replacement. Over the life of your door, torsion is actually the better investment.
Never attempt to replace springs yourself. Both types are under extreme tension and can cause serious injury or death if they slip. A professional technician has the tools, knowledge, and insurance to do it safely. At Garage Door Gastonia, our technicians handle spring replacements as a core service, and we can usually get you scheduled for same-day or next-day service.
If your door opens slowly, makes grinding noises, or won't stay open on its own, your springs are likely failing. Spring problems get worse fast and can damage your opener, panels, and tracks. Don't wait.
When you schedule a free estimate with us, we'll inspect both springs, measure the door, and give you an exact cost estimate before we touch anything. Most of our Gastonia customers appreciate knowing the price upfront without any surprises.
Your garage door springs are critical safety components. Whether you have torsion or extension springs, they deserve professional care. Call 19804144165 or get your free quote online today.
How long do garage door springs last? Torsion springs last 7 to 9 years, around 10,000 cycles. Extension springs last 4 to 7 years, roughly 5,000 to 7,000 cycles. Life span depends on door use, climate, and maintenance.
Can I replace just one spring? With torsion springs, both should be replaced together for balance, even if only one broke. With extension springs, you may get away with one, but matching the pair is safer and more reliable long term.
What does a snapped spring cost to replace near me? In Gastonia, expect $300 to $600 for a professional torsion spring replacement (both springs), or $150 to $400 for extension springs. Get a local estimate for accuracy.
Is it dangerous to use my garage door with a broken spring? Yes. A broken spring removes support, the door becomes very heavy, and your opener may fail trying to lift it. The door can drop suddenly, which is a safety hazard.
What's the difference between torsion and extension springs for safety? Torsion springs are inherently safer because both work together. Extension springs have individual safety cables as backup. Torsion is the modern standard.