Why Won't My Garage Door Open When It's Cold?
Even in mild Pittsboro, NC winters we get calls every January from homeowners with stuck doors. Cold-weather symptoms have specific cures.
Frozen Bottom Seal
Rubber seal freezes to the concrete overnight. Pour warm (not boiling) water along the seal, or break the bond with a plastic putty knife.
Thick Grease
Old grease congeals in the cold and binds rollers. Re-lubricate with white lithium grease — its temperature range (-40°F to 300°F) handles any Pittsboro, NC weather.
Reduced Spring Tension
Steel springs lose ~10% tension at 32°F vs 70°F. A door that was barely balanced in summer suddenly feels heavy. A pro can re-tension.
Opener Force Setting
If the door is harder to lift, the opener trips its safety reverse. A small force adjustment (one-eighth turn at a time) fixes this.
If the door opens fine after a sunny afternoon, you have a cold-weather issue, not a broken part.
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