Housing across this service area runs 1938 to 1996, with a median build year of 1958, and most of the 133 named areas we cover are still sitting on that pre-1960 stock. That matters for garage doors specifically: a door installed or replaced in a house built in that window is very likely on side-mounted torsion hardware from an era when springs were sized lighter than what's standard now, and the drums, cables, and end bearings that came with it are long out of production. When one part fails, you're not swapping a part - you're often swapping the whole hardware set to match.
Add the climate band this area sits in, which runs cold and severe through winter. Steel springs lose temper faster in repeated freeze-thaw cycling, and the grease in older bearings and rollers stiffens up in single-digit mornings, which is exactly when a marginal spring finally lets go - usually on the coldest push of the season, not the mildest. We see the same pattern year after year: doors that limped through October and November fail hard in January.
This isn't a design flaw in any one house. It's just the math of a housing stock that's now 65 to 85 years old meeting weather that's rough on steel twice a year.