2026-03-30 7 min read
If you've lived in Siler City long enough, you know the weather here doesn't exactly go easy on anything metal. Summers push into the low 90s°F with humidity that makes it feel even hotter, and winters swing down to hard freezes in January and February. That constant back-and-forth. hot and muggy to cold and dry. is one of the most overlooked reasons garage door springs fail earlier than they should around here.
Garage door springs are under tension every single time your door moves. That stress alone wears them down over time. But in Chatham County, the environment piles on extra punishment.
Humidity and rust are the biggest culprits. Siler City receives around 45 inches of rain annually, and summer humidity regularly makes an uninsulated garage feel like a sauna. Moisture in the air causes corrosion to develop on spring surfaces, and once rust sets in, it increases friction between the coils. forcing the spring to work harder with every cycle. That accelerates wear in a way that cold climates alone don't produce.
Then there's the temperature swing problem. Winters here see overnight lows that regularly dip below freezing, especially in December and January. Cold weather causes metal to contract and become more brittle, making springs more susceptible to snapping. Come July, when temps hit 90°F and the heat index pushes past 107°F, that same metal expands under stress. Repeated expansion and contraction season after season quietly weakens the steel.
If your garage isn't insulated or climate-controlled. and a lot of the older ranch homes and brick cottages in Siler City aren't. your springs are taking the full force of every weather extreme.
Most spring failures aren't truly sudden. The door usually gives you signals first. Here's what to look for:
- A loud bang coming from the garage, sometimes described as a gunshot sound. that's often a torsion spring snapping under tension - The door opens only 3,6 inches before the opener strains and stops - Visible gaps in the coil of a torsion spring mounted above the door - The door feels extremely heavy when you try to lift it manually - Jerky or uneven movement when opening or closing. one side pulling faster than the other - Loose or dangling cables alongside the door tracks, which often signal that a spring has lost tension
If you're seeing any of these, don't keep forcing the opener. Running a garage door opener against a failed spring can burn out the motor and damage the track. turning a spring repair into a much bigger bill.
Most homes in Siler City have one of two spring setups:
Torsion springs mount on a horizontal shaft directly above the door opening. They twist to store energy and release it smoothly. Most modern residential doors use one or two torsion springs, and they generally last longer and operate more quietly than the alternative.
Extension springs run along the horizontal tracks on either side of the door. They stretch and contract with each cycle. Older homes. including the many homes built between the 1940s and 1990s throughout Chatham County. are more likely to have extension springs. These require safety cables to contain them if they snap, because a broken extension spring can release violently.
If you're not sure which type you have, check our services page. we can identify your spring type during any service call.
You can't stop springs from aging, but you can slow the process down considerably with a few habits:
Use a silicone-based lubricant on your springs at least twice a year. In a humid climate like ours, consider doing it three times. spring, midsummer, and fall. Avoid WD-40, which evaporates quickly and can attract dirt. A proper garage door lubricant reduces friction between coils and creates a barrier against moisture. Pair this with our guide on preparing your garage door for fall to build out a complete seasonal routine.
This is the advice homeowners push back on most, but it's solid. When you install a new spring alongside an old worn one, the newer spring carries more of the door's weight. it works harder than it should, which leads to another failure sooner. Professionals consistently recommend replacing both springs simultaneously for balanced tension and longer system life.
You can do a simple balance test yourself: disconnect the opener (pull the red emergency release cord), manually lift the door to about waist height, and let go. A properly balanced door stays put. If it drops or shoots up, the spring tension is off and needs adjustment.
For homes in and around Siler City. especially older structures. adding insulation to your garage walls and door reduces the temperature swings that beat up springs over time. It also helps with energy costs in summer, which is worth considering given how hot July and August get here.
Garage door spring replacement is not a DIY project. Torsion springs store serious amounts of torque, and improper handling sends people to the ER every year. If you see a broken spring, leave the door alone and contact us for same-day service. Siler City Garage Doors serves Chatham County and surrounding areas including Pittsboro, Asheboro, and Sanford.
For a broader look at keeping your door operating safely, visit our FAQ page. we cover a lot of the most common questions homeowners have before calling.
Most residential garage door springs are rated for approximately 10,000 cycles, which translates to roughly 7,10 years with standard use. In Siler City's humid subtropical climate, springs that aren't regularly lubricated can fail noticeably earlier due to corrosion and the stress of seasonal temperature swings.
Technically you can attempt to open it manually, but it's not safe and not recommended. The door will be extremely heavy without spring support, and using your opener with a broken spring risks burning out the motor or damaging the track. Leave the door in place and call a professional.
Both at the same time. When one spring fails, the other is typically near the end of its life too. Replacing only one creates uneven tension. the new spring does more than its share of work, leading to premature failure and potential strain on your opener and cables.