You hear it before you see it: the first real rain of the season hits the driveway, and when you pull into the garage that night, there's a thin line of water creeping in along the bottom of the door. Or maybe the door groans and catches halfway up, grinding in a way it never did back in July. After a long, dry Central Valley summer, these are the moments that tell you the garage door has been quietly falling apart in the heat and dust, and now the rain is exposing it.
Fresno doesn't get brutal winters, but the shift from a hot, dry season to a wet one is hard on a garage door. Here's what to look at before the rain really settles in.
Why summer damage shows up in winter
Months of dry heat and dust do more to a garage door than most homeowners realize. Rubber weatherstripping dries out and cracks in the sun. Dust settles into the tracks, rollers, and hinges, and any lubricant that was there gets baked out or turns gummy. None of this causes problems while everything stays dry. But add rain, and that caked-on dust turns to grit that grinds against metal parts, and those cracked seals stop keeping water and cold air out. The door that worked fine in August can suddenly feel like a different machine in November.
Start with the weatherstripping
The rubber seal along the bottom of the door, and the strips along the sides and top if your door has them, are your first line of defense against rain and cold air. Check for:
- Cracking, stiffness, or pieces that have pulled away from the door
- Gaps where daylight shows through when the door is closed
- Flattened or torn sections where the seal no longer makes contact with the floor
If the bottom seal is cracked or flattened, replace it before the rain starts. This is one of the cheapest, most effective things you can do, and it's a job most homeowners can handle with a seal kit from a hardware store, though a technician can swap it quickly during a maintenance visit if you'd rather not deal with it.
Clear and lubricate the moving parts
Open the garage and take a look at the tracks, rollers, and hinges. If you see a layer of dust or grit, wipe it down with a dry cloth first, then with a slightly damp one. Don't hose anything down. Once it's clean:
- Apply a garage-door-specific lubricant (not WD-40, which is a cleaner, not a lubricant) to the rollers, hinges, and the springs
- Work the door up and down a few times by hand or with the opener to work the lubricant in
- Wipe away any excess so it doesn't attract more dust
This single step cuts down on the grinding and sticking that shows up once moisture mixes with dried-out grime.
Check the balance while you're at it
With the opener disconnected (pull the release cord), lift the door manually about halfway and let go. It should stay in place. If it drifts down or slams shut, the springs are no longer balanced for the weight of the door. Cold weather doesn't cause this directly, but older springs that were already weakening often fail right around the first cold snap, when the metal contracts and the door sees more resistance from stiff, grit-filled rollers. A door that's out of balance is also harder on the opener motor, which can shorten its life.
Don't ignore the opener and sensors
Wipe down the photo-eye sensors near the bottom of the tracks. Dust buildup here is common after a dry season and can cause the door to reverse unexpectedly or refuse to close, which becomes a bigger annoyance once you're trying to get out of the rain quickly. Also test the manual release and the backup battery if your opener has one; power blips during winter storms are more common than most people expect.
Look at the door panels themselves
Wood garage doors can swell slightly with moisture once the rain starts, which may cause rubbing against the frame or tracks that wasn't there in the dry months. Steel and aluminum doors won't swell, but check for any rust starting at the bottom edge or around hardware, especially if the door took on water last winter. Small rust spots are easier to treat now than after another wet season.
When to call Fresno Garage Door Service
If you've gone through this list and the door is still grinding, dropping unevenly, or the gap at the bottom won't close no matter how the seal is adjusted, it's worth having it looked at before the weather turns. A technician can spot things that are hard to catch from the inside of the garage, like a spring that's close to failing or a track that's slightly bent from months of strain.
Fresno Garage Door Service handles both of these directly. A standard garage door maintenance visit covers lubrication, hardware tightening, balance testing, and a full inspection of rollers and tracks, which is the most efficient way to catch small issues before winter rain makes them worse. If the balance test shows a spring that's sagging or uneven, we also handle spring replacement, done safely with the right tools and tension settings, since this is not a repair to attempt yourself.
If your garage door is already showing signs of trouble before the rain gets heavy, don't wait until you're dealing with a stuck or leaking door in the middle of a storm. Call Fresno Garage Door Service for a maintenance check or repair, serving Fresno, Clovis, Madera, Sanger, Selma, Reedley, Kerman, and Kingsburg.