Every July, the phones at Wm. Haws Overhead Garage Doors start ringing with the same complaint: garage doors that stick, grind, or won’t close evenly. Homeowners searching for garage door repairs usually assume a spring has failed, but the real culprit is often heat. Steel tracks and door panels expand at different rates once temperatures climb, and that mismatch quietly pulls doors out of true alignment.
We see the same seasonal strain in our guide to overhead garage door repair in Ontario, which covers what winter freezes do to rollers and hinges.
Why Heat Causes Garage Doors to Shift Out of Alignment
Garage doors with insulated, foam-core panels can experience a natural effect called thermal bowing in insulated garage doors when there’s a big temperature difference between the outer and inner door skins, something that shows up most on hot, sunny afternoons with an air-conditioned garage behind the door. The warmer outer skin expands more than the cooler inner skin, so the panel bows slightly toward the heat. This isn’t a sign of a defective door, but if the bow is pronounced, you may notice the top section rubbing against the header or a small gap at the top of the opening. Darker-colored and larger doors tend to show more noticeable bowing, and we can add horizontal reinforcement struts to help minimize the effect if you’re seeing rubbing or misalignment.
Signs the Alignment Has Shifted
A door that used to glide now hesitates halfway up. The gap along one side widens while the other side scrapes the frame. Remote openers need two or three presses instead of one, because the sensor path has shifted just enough to trip the safety reverse. Some homeowners also notice a faint grinding sound near the top of the track, which usually means a roller has started riding against the rail instead of inside it.
Should You Repair or Replace Your Garage Door?
Most heat-related alignment problems are a repair, not a replacement. Loosening the track bolts, shimming the bracket, and re-tensioning the rollers usually solves the issue within an hour, which is why our professional garage door repair services focus on adjustment before anything more invasive. Replacement only makes sense when the track has bent or the panels have warped enough that they no longer sit flush, something we check for during our emergency garage door repair visits in Guelph, Ontario.
We see the same seasonal pattern in homes across Elora, Fergus, and the areas we serve near Point Clark and Kincardine, where humidity swings add extra strain on wood-panel doors. A door dragging on one side in the middle of summer is one of the most common calls Wm. Haws Overhead Garage Doors gets, and a same-day track adjustment is often enough to stop the noise and catch a loosening cable before it snaps.
Left uncorrected, a misaligned door puts uneven pressure on the opener motor and can eventually pull a cable off its drum, turning a simple adjustment into a bigger repair bill. A basic realignment typically costs far less than a cable or opener replacement, which is one reason we recommend catching the drag early rather than waiting for the door to stop moving altogether.
Frequently Asked Questions
- Can I fix a misaligned garage door myself?
Minor issues like a loose bracket can sometimes be tightened without help, but true track alignment involves spring tension and should be handled by a trained technician to avoid injury.
- Does a misaligned door damage the garage door opener?
Yes. Sustained misalignment forces the opener motor to work harder than it should, which can shorten its lifespan and eventually cause a more serious mechanical failure.
- Is a misaligned garage door a safety concern?
A door that has drifted out of alignment can bind partway, reverse unexpectedly, or slip off its track, so it’s worth addressing promptly rather than waiting.
- How quickly can heat-related alignment issues get worse?
It varies, but a door that only sticks slightly in June can be grinding or straining the opener by August if the underlying track position is never corrected.
Don’t Wait, Choose Professional Installation Today
If your door has started sticking or scraping this summer, don’t wait for it to get worse. The Wm. Haws Overhead Garage Doors team can usually diagnose and adjust a heat-related alignment issue in a single visit.
Reach out at (519) 763-4297 or wmhawsdoors@bellnet.ca for garage door repair services in Guelph and surrounding areas before a minor issue turns into a stuck door.


