Doors built in the mid-1990s standard on steel sectional panels with a foam-backed interior and a roll-formed steel skin. That skin is thinner than what's used today, and after close to thirty years it dents easier than a newer door would, especially on the bottom two panels where a car bumper or a stray basketball tends to connect.
Missouri's cold winters and freeze-thaw swings - the same climate band that covers all of this service area - work on that thin steel from the inside out. Moisture gets into a ding or a seam, sits against the foam backing, and rusts the panel from behind before it ever shows on the painted face. By the time you see bubbling paint or a soft spot, the steel underneath is usually already compromised.
Because Greenwood's housing stock is newer than most of the surrounding area, we see fewer full-door replacements out here and more single or double-panel swaps - the rest of the door is often still sound, which is exactly the kind of job where matching the existing panel color and rib pattern matters more than it would on an older door headed for full replacement anyway.