A Manchester Winter Garage Door Guide: Cold, Salt, and Springs

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.

This guide is Manchester's home document. Before the season: a balance test, springs and cables read for salt corrosion, the bottom seal replaced while it is a twenty minute job rather than after it tears frozen to the slab, track alignment checked against frost heave, and the opener battery tested. During the season: clear the melt line at the door's base so refreeze does not glue the seal down, and never pry a frozen door free against the opener. The households that do the October hour are not the ones photographed in January with a door open to a snowstorm.

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.