Most of the houses we work on in Brandon went up between 1979 and 2013, with the median build year sitting around 1991. That means a lot of doors on the street are the same vintage as the house - steel sectional doors with thin-gauge panels that were standard for that era of construction. Those panels weren't built for thirty-plus years of Gulf Coast sun and humidity.
The climate here is mild temperate, so we don't get hard freezes that crack panels the way colder regions do. What we get instead is steady heat and moisture that works on the galvanized coating over time, especially near the bottom panel where irrigation overspray and standing water sit against the steel. Across the 27 named communities in this service area, the pattern repeats: 1980s and 90s stock, same door style, same weak point at the bottom one or two panels.
It's not that Brandon homeowners treat their doors badly. It's that the panels on a house built in 1991 are reaching the end of what steel and foam-core construction can take, and a dent or a rust line at a stress point is often the first sign the whole section needs replacing rather than patching.