Garage doors fail in winter for physical reasons. Spring steel grows more brittle as temperatures drop, so springs that were near their cycle limit let go in cold snaps. Metal contracts, lubricant thickens, rollers and hinges resist, and the opener reads the extra resistance as an obstruction and reverses. Add road salt and meltwater corroding the bottom panel, the bottom seal, and the lift cables, and winter is when every marginal part on the door files its resignation at once.
Read this guide by High Point's calendar rather than its title: the damaging season here arrives in summer, when surges ride thunderstorms into opener boards, doors cycle through outage weeks, and wind works panels and tracks. The spring round that answers it is component by component: springs read for fatigue, the opener given surge protection, its backup battery load-tested, and cables checked strand by strand, all before the Triad's storm months make the same work urgent.
The fall checklist that prevents most of it takes twenty minutes: run the door and listen for new noises; check the cables where they meet the bottom brackets for rust and fraying (look, never touch a cable under tension); test the auto reverse and the sensors; clear the sensor lenses; and look at the bottom seal, which is what stands between meltwater and your garage floor.
One winter habit matters more than the rest: if the door freezes to the ground at the bottom seal, do not force it with the opener, which can tear the top section or strip the opener. Free the seal gently first. And when a spring does let go on the coldest morning of the year, know that every door company in town heard the same bang from a dozen garages; calling early in the day is the difference between today and Thursday.
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