Local detail
What Causes It Around Here
Pueblo West's housing stock centers on 1999, which puts a lot of original garage doors at roughly a quarter century old. That's not storm-damage territory the way an older neighborhood might see - it's fatigue territory. Builder-grade steel panels from that era used a thinner gauge than what goes in today, and after 25 winters the foam core bonded to the steel skin starts to pull away from the panel face. You'll see it as a soft bulge or a section that sounds hollow when you knock on it, even with no dent anywhere near it.
The cold is part of this too. This area sits in a severe cold climate band, and repeated freeze-thaw cycling works on the seams where panel sections overlap. Galvanized coating that's held up fine for two decades starts to show rust right at those seams first, usually at the bottom panel where road splash and snowmelt sit longest. If your door is original to the house, the question usually isn't whether the hardware has been touched since 1999 - it's whether any of it has.
So the failure mode here is less "something broke" and more "the whole assembly reached the end of what builder-grade steel is built to do."