2026-09-20 4 min read
Here's what most homeowners don't realize about garage door springs: they're not just metal coils. They're the hardest-working part of your entire system, holding 300 to 400 pounds of tension so your opener doesn't have to. When a spring fails, your garage door becomes dead weight. Understanding how they function helps you catch problems early and avoid a dangerous repair down the road.
Your garage door weighs roughly 300 to 400 pounds. That's equivalent to moving a small car up and down twice daily. Two springs (or sometimes one large torsion spring) handle all that work by storing and releasing energy. When you open the door, springs unwind and counterbalance the weight. When you close it, they wind back up, ready for the next cycle.
There are two main types: torsion springs mounted above your door and extension springs running along the sides. Torsion springs are more durable and precise. Extension springs are cheaper but wear faster because they stretch repeatedly. Both do the same job, just differently.
Over time, metal fatigues. Springs cycle thousands of times per year. After 7 to 9 years of regular use, the metal loses its ability to hold tension. That's when failure happens, often without warning.
A snapped spring doesn't happen randomly. Several factors accelerate wear. Lack of lubrication is the biggest culprit. Unlubricated springs work harder and degrade faster. Rust from humidity and salt air in coastal areas like Fairmont also weakens the metal. Extreme temperature swings cause metal expansion and contraction, creating micro-fractures.
If your door opens unevenly, bounces at the bottom, or feels heavier than usual, one spring is likely losing strength. These are early warning signs. Ignoring them leads to a complete failure, and that's when you're stuck with a door you can't operate safely.
For more details on recognizing these problems before they become emergencies, check out our guide on snapped garage door spring warning signs and what to do right now.
**Need garage door springs in Fairmont today?** Call (910) 983-1689. we cover same-day service across the area.
This is critical: never attempt to replace a garage door spring on your own. The tension in a compressed spring is dangerous. A slip of the wrench, a misaligned pulley, or improper rewind can cause the spring to whip violently. People have been seriously injured doing this work.
Springs must be replaced by someone trained in the exact tension required for your specific door size and weight. Too little tension and your opener overworks itself. Too much and the door becomes hard to operate. A professional measures, adjusts, and tests everything properly.
Our team at Fairmont Garage Doors has the tools and experience to replace springs safely on the first try. We also lubricate them during installation so you're starting fresh.
Spring replacement typically costs between $200 and $400 per spring, depending on the type and your door's weight. A full replacement of both springs runs $400 to $800. This is one of the more affordable major repairs, but costs vary by situation.
We offer free estimates for garage door spring replacement in Fairmont so you know the exact price before we start. Many homeowners can get same-day service if they call early. We also discuss what factors affect your final cost in our garage door repair cost guide for Fairmont homeowners.
Lubricate your springs every six months. Use a silicone-based garage door lubricant, not WD-40. Clean debris from the track so your door operates smoothly and springs don't work harder than necessary. Have your entire system inspected once a year to catch wear early.
Most springs last 7 to 9 years with proper maintenance. Some reach 10 years. Regular care keeps them working longer and prevents sudden breakdowns that leave you stranded.
For a full maintenance plan, schedule a free quote with us today or call (910) 983-1689. We'll inspect your springs and let you know where you stand.
How do I know if my garage door spring is broken? Your door won't open, opens slowly, or closes unevenly. You might hear a loud bang or snap. Don't force the door. Call a professional immediately. A broken spring means your opener cannot safely lift the full weight.
Can I use my garage door with a broken spring? No. Operating the door stresses your opener and creates a safety hazard. The door could fall unexpectedly. Stop using it until the spring is replaced by a trained technician.
How long does spring replacement take? Typically one to two hours, including inspection, removal, installation, and testing. We aim for same-day service when possible.
Do both springs need to be replaced at the same time? Yes. If one spring fails, the other is near the end of its life. Replacing both ensures balanced operation and prevents a second failure weeks later.
What's the difference between torsion and extension springs? Torsion springs mount above the door, last longer, and operate more smoothly. Extension springs run along the sides, cost less, but wear faster. Your door type determines which you have.
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