2026-03-28 7 min read
If you've ever walked into your garage on a frigid January morning to find the door won't budge. or heard a sudden, startling bang from the garage overnight. there's a good chance a spring was the culprit. In Braintree, this is more than a random inconvenience. It's a predictable result of our local climate, and understanding why it happens puts you in a much better position to prevent it.
Braintree sits in a genuinely demanding climate zone. We see winters that regularly push below freezing, with January averaging lows in the low 20s°F. and nor'easters that can bring wet, heavy snow followed by rapid warm-and-refreeze cycles. That freeze-thaw pattern is the real villain when it comes to spring longevity.
Here's the physics: torsion springs are made from high-carbon steel wire that's tightly wound and constantly under tension. When temperatures drop, that steel contracts and becomes more brittle. Each time the temperature swings. cold overnight, slightly warmer in the afternoon, frigid again the next morning. the metal goes through a micro-expansion and contraction cycle that slowly degrades its structure. By late February or early March, a spring that looked fine in October may have quietly accumulated enough microscopic damage to be on the edge of failure.
This is why Braintree homeowners (and neighbors in Weymouth and Quincy) tend to see a spike in spring failures toward the end of winter, not the beginning. The cold doesn't instantly break springs. it compounds accumulated wear until one morning, you push the button and hear a loud bang.
Springs are what make it physically possible to lift a garage door. A typical residential door weighs 150,300 pounds, and the springs counterbalance almost all of that weight. When a spring snaps, the opener suddenly has to bear the full load of the door. something it was never designed to do. Running the opener with a broken spring can destroy the motor, strip the gears, and in some cases cause the door to drop suddenly.
If you hear that loud bang and the door opens only a few inches before stopping, do not keep pressing the button. Disconnect the opener and contact a professional before attempting to use the door at all.
Springs rarely fail completely without giving some warning first. Here's what to pay attention to as we come out of winter:
Disconnect the opener and try lifting the door manually about halfway. A properly balanced door should stay in place when you let go. If it drops quickly or feels like you're lifting dead weight, the springs are likely worn or already partially failed.
These aren't just annoying. they're the door's way of telling you that metal components are under stress. A dry, corroded spring will make noise before it breaks.
If the door hesitates, lurches, or one side seems to travel faster than the other, that points to uneven spring tension. One spring wearing faster than its partner is a common failure pattern.
Look at the spring above your door. If you can see a visible separation in the coil. a gap where there wasn't one before. the spring has already broken. Don't use the door.
While spring replacement itself is strictly a job for a trained technician (the stored tension in a torsion spring is genuinely dangerous), there are real things you can do as a homeowner to extend spring life:
Lubricate the springs twice a year. Use a dedicated garage door lubricant. not WD-40, which evaporates quickly. and apply a light coat to the coils in fall and again in late spring. This keeps the metal from drying out and slows corrosion, particularly important given Braintree's humid winters.
Keep the garage as insulated as possible. A well-insulated door helps stabilize the temperature inside the garage, which reduces the severity of metal contraction on cold nights. If you haven't looked into door insulation options, our post on Insulation R-Value Explained is a solid starting point.
Do a manual balance test each fall. The 30-second test described above. disconnect the opener, lift the door halfway, let go. costs you nothing and can catch a failing spring before it leaves you stranded.
Know your spring's age. Standard torsion springs are rated for roughly 10,000 cycles. For a household that uses the garage as the main entry point (which is most of us), that can mean 7,10 years of life under normal conditions. potentially less in a climate as demanding as ours.
If you've noticed any of the warning signs above, or if your springs are approaching the 7-year mark, it's worth having them inspected before they fail. Proactive replacement is almost always cheaper than emergency service after a spring snaps. and it means you're not stuck outside in a February nor'easter waiting for a repair truck.
Braintree Garage Doors offers spring inspections and replacement for homeowners throughout the area, including customers in Weymouth, Quincy, and Randolph. You can review our full range of garage door services or get in touch to schedule a visit.
Q: How do I know if I have torsion springs or extension springs? A: Torsion springs are mounted horizontally on a metal shaft directly above the garage door opening. you'll see one or two large coiled springs running parallel to the top of the door. Extension springs run along the horizontal tracks on each side of the door and stretch when the door closes. Both types are subject to cold-weather stress, though torsion springs are more common on modern residential doors.
Q: Can I replace a garage door spring myself? A: This is one repair we genuinely recommend against attempting on your own. Torsion springs are under extreme tension. enough force to cause serious injury if the spring releases unexpectedly during the process. Professional technicians use specialized winding bars and follow strict safety protocols. The cost of professional replacement is modest compared to the risk.
Q: My spring broke in winter. Is it safe to use the door manually until I get it repaired? A: No. With a broken spring, the full weight of the door is unsupported. Manually lifting a 200+ pound door strains the cables and can cause them to snap or the door to fall. Disconnect the opener and leave the door in place until a technician can make the repair.