2026-03-11 7 min read
If you've lived in Pembroke for any length of time, you already know summers here are no joke. July temperatures routinely push close to 90°F, and the humidity climbs right along with the heat. May, August, and September regularly sit at around 77% relative humidity. That combination is miserable for people, and it turns out it's genuinely rough on your garage door springs, too. Understanding why can save you from a broken-down door and an unexpected repair bill.
This isn't just a theoretical concern. Pembroke sits in the heart of Robeson County in southeastern North Carolina, well inland but still subject to the coastal plain's heavy moisture load. When that warm, damp air settles into an uninsulated garage. which describes most of the ranch-style homes built throughout this area in the mid-to-late 20th century. your springs sit in a near-constant humid environment.
Rust and corrosion are the first problems. Elevated humidity levels foster the development of rust on metal parts of a garage door, including springs, hinges, and tracks. Rust isn't just cosmetic. it eats into the metal's surface and creates weak points along the coil. Once those weak points develop, a spring that might otherwise have lasted seven to nine years can snap without warning, often on a random Tuesday morning when you're already running late.
Heat compounds the problem. When temperatures climb in July and August, metal expands. and that expansion changes the tension characteristics of your springs. The repeated cycle of heating during the day and cooling overnight creates microscopic stress in the metal over time. The springs most at risk are those that are already a few years old and haven't been lubricated recently.
For homeowners in our service area. from Pembroke out to Red Springs, Maxton, and Fairmont. these conditions are simply part of life. The key is working with them rather than ignoring them.
Don't wait for a full snap to take action. Your springs usually give you signals before they fail completely.
Squeaking or grinding when the door opens and closes is often the first sign that springs are losing lubrication or beginning to corrode. A healthy spring system should be relatively quiet. If your door has started making new noises, that's the door telling you something.
Jerky or uneven door movement. where one side seems to lag behind the other. can indicate that tension is off. Torsion springs (the horizontal spring above the door) and extension springs (the pair that run along the tracks on each side) both need to counterbalance the door's weight evenly. When they don't, the opener works harder and other components wear faster.
Step into your garage and look at the springs themselves. Visible rust, gaps between coils, or discoloration are all signs of wear. Gaps in particular indicate that a spring is already stretching and losing its ability to hold proper tension.
The single most effective thing you can do is lubricate your springs regularly. For a humid climate like Pembroke's, every three to four months is a reasonable schedule. not once a year. Use a silicone-based lubricant rather than WD-40, which evaporates quickly and doesn't protect against moisture long-term. Apply it to the full length of each spring coil, the hinges, and the rollers.
If your garage isn't insulated, that's worth considering too. An uninsulated garage in Robeson County essentially means your springs live in outdoor humidity conditions year-round. Even basic insulation on the door panels reduces moisture exposure and helps regulate temperature swings.
Finally, if your springs are older than seven years and you haven't had them inspected, schedule a checkup. Spring replacement is one of the most common garage door services we handle, and it's far less disruptive. and less expensive. when it's done before a spring snaps rather than after.
This one is worth saying plainly: garage door spring replacement is not a DIY job. Springs hold tremendous tension, and attempting a repair without the right tools and training creates a serious injury risk. A spring under tension can release violently if handled incorrectly. Call a professional, get it done right, and move on with your day.
Pembroke Garage Doors handles spring inspections, replacements, and full tune-ups for homeowners throughout the area. If you're not sure what shape your springs are in, reach out and book an appointment. we'd rather catch a problem early than show up for an emergency call.
How often should I lubricate my garage door springs in a humid climate like Pembroke? In high-humidity areas like Robeson County, lubricating your springs every three to four months is a good practice. Use a silicone-based spray and apply it to the full length of each spring coil, as well as the rollers and hinges, to protect against moisture-driven rust.
Can I tell if my spring is about to break before it actually snaps? Often, yes. Look for visible rust or discoloration on the coils, gaps between coils indicating the spring is stretching, and listen for new squeaking or grinding sounds during operation. Jerky or lopsided door movement is another warning sign that spring tension may be uneven.
Is it safe to use my garage door if I suspect a spring problem? If your door is moving unevenly or making unusual sounds, it's best to limit use and call a technician promptly. Operating the door with a failing spring puts extra strain on the opener motor and cables, and a snapped spring can cause the door to drop unexpectedly.