Because the build year here sits around 2002, most doors are steel sectional panels on standard torsion or extension spring setups that were code-compliant for their time - not the older, thinner panel stock you'd find on a house from the 1970s or 80s. The hardware is more standardized, which actually makes parts easier to source than in the older sections of our territory, where original rollers or track brackets can be harder to match.
The climate here is mild with occasional freeze, so these doors aren't fighting severe cold cycles, but two decades of use still wears out nylon rollers, weatherstripping, and opener gearing on a predictable schedule. We'll tell you straight when a repair is the better call versus a replacement - on a 20-year-old door with a failing opener and tired springs, sometimes it's cheaper over five years to replace the whole unit rather than keep patching pieces.