2026-04-13 6 min read
Garage door springs don't fail without warning. but the warning signs are easy to miss if you don't know what you're looking for. On a cold January morning in Duxbury, when the temperature has been sitting in the upper 20s°F for a week straight, a spring that's been quietly weakening all fall will finally let go. The result is a door that won't open, a car trapped in the garage, and a repair that now has to happen in freezing conditions. It's one of the most common calls we get across the South Shore. and most of the time, it was preventable.
Here's what to watch for, why our local climate accelerates the problem, and what to do when you see the signs.
Most residential garage doors use one of two spring systems: torsion springs (mounted on a metal shaft above the door opening) or extension springs (mounted on the horizontal tracks on each side of the door). Torsion springs are more common on newer homes and heavier doors; extension springs are more common on older single-car garages.
Both types work by storing mechanical energy. they're wound under tremendous tension to counterbalance the weight of the door. A standard two-car garage door can weigh 200,400 pounds. Without that spring tension doing the heavy lifting, your opener motor would burn out quickly, and lifting the door by hand would be a serious workout. When a spring breaks, the door effectively becomes deadweight.
Metal contracts in cold temperatures. that's basic physics, and it matters for garage door springs. During Duxbury's winters, when overnight lows regularly hit the mid-20s°F and daytime highs sometimes stay in the mid-30s, springs are under additional stress every time the temperature swings. Combined with the coastal salt air that promotes corrosion on metal surfaces, springs in homes near Duxbury Bay or along the marshes toward Marshfield tend to degrade faster than manufacturer lifespan estimates suggest.
Salt air attacks the protective coating on steel springs, and once that coating is compromised, moisture infiltration accelerates rust from the inside out. A spring can look surface-fine on the outside while the internal coils are already weakening. This is especially common in homes that don't have heated garages. the temperature swings are more extreme, and condensation inside the garage contributes to moisture on metal parts.
If you disconnect your opener and try to lift the door manually, it should feel relatively balanced. most homeowners can lift a properly tensioned door with one hand at the midpoint. If it suddenly feels like you're lifting dead weight, or if it won't stay up when you let go at the halfway point, your spring tension is gone or severely weakened. This is the most reliable hands-on test you can do yourself.
Garage doors with two springs. which is most two-car doors. can develop an uneven appearance when one spring is weaker than the other. The door may tilt slightly to one side as it opens, or you might notice a gap at one corner when the door is closed. This isn't just an aesthetic issue; an uneven door puts lateral stress on the tracks and rollers, which accelerates wear throughout the whole system. If your door looks lopsided, have both springs inspected, not just the obviously failing one.
A torsion spring breaking sounds like a gunshot inside your garage. it's that loud. If you hear a sharp bang from the garage and then find the door won't operate normally, that's almost certainly a broken spring. Check the horizontal shaft above the door opening for a visible gap in the spring coil. Don't attempt to operate the door with a broken spring. the opener wasn't designed to lift the full weight of the door without spring assistance, and forcing it can damage the motor, strip the drive mechanism, or cause the door to drop suddenly.
Get a flashlight and look at your springs. On a torsion spring, the coils should be tightly and evenly wound with no visible gaps. If you see a separation. even a small one. the spring has already failed at that point. Rust is a warning sign that failure is coming. Surface rust that's just cosmetic is less urgent, but deep pitting or flaking on the coils indicates that the metal has lost structural integrity. In Duxbury's coastal environment, this kind of corrosion can develop faster than in inland towns.
When springs weaken, your opener has to work harder to move the door. You might notice it sounds louder, moves more slowly than usual, or reverses before fully opening. Some openers have built-in safety features that detect excessive resistance and reverse the door automatically. if this is happening unexpectedly, don't assume it's a sensor issue. Check the spring tension first. Our guide on sensor calibration can help you rule out sensor problems, but a straining opener is often a spring issue.
This is one area where we'll give you a straight answer: garage door spring replacement is not a good DIY project for most homeowners. Springs store a large amount of mechanical energy, and an improperly wound or installed spring can release that energy suddenly. causing serious injury. The tools required (a winding bar set and the knowledge of how many turns your specific door requires) are not something most homeowners have on hand.
If you're the type who has done mechanical work before and you understand the risks, there is information available on how to do it. But for the majority of Duxbury homeowners, calling a professional is the right call. A spring replacement from a qualified technician typically takes less than an hour and costs far less than an emergency room visit or a new opener motor damaged by running without proper spring tension.
Duxbury Garage Doors handles spring replacements throughout the South Shore, including Scituate, Cohasset, Hingham, and the surrounding towns. If you're seeing any of the warning signs above, reach out to schedule a service call before the spring fails completely.
If one spring has failed and your door has two, replace both. Springs are sold and installed in matched pairs for a reason. they wear at roughly the same rate. If one has failed, the other is likely not far behind. Replacing them together saves you a second service call in six months and ensures the door operates evenly.
You can also ask about battery backup systems when you schedule your spring service. if a spring fails and you lose power in the same storm, you'll want to be able to get your car out regardless.
Q: How long do garage door springs typically last in Duxbury? A: Most residential torsion springs are rated for 10,000 cycles. roughly 7 to 10 years with average use of 3,4 cycles per day. In Duxbury's coastal, salt-air environment, you may see failure on the earlier end of that range due to corrosion. If your springs are over seven years old and you haven't had them inspected, now is a good time.
Q: Can I still use my garage door if a spring is broken? A: Technically you can operate it with the opener, but you shouldn't. Running the opener without proper spring tension strains the motor and drive mechanism significantly, and can result in the door dropping suddenly if the opener can't hold the weight. Keep the door closed and call for service.
Q: Is it worth upgrading to galvanized or coated springs to handle the coastal environment better? A: Yes. it's worth asking about. Galvanized springs have a zinc coating that resists rust significantly better than standard steel springs. In a coastal town like Duxbury, the additional cost of galvanized springs is usually offset by a longer service life. Ask your technician about this option when you schedule your service appointment.