Barton Creek's own housing stock centers on 2002, newer than the 1980-2014 span across the wider service area, and that has a direct effect on what breaks. Newer double doors built after 2002 in Barton Creek tend to run wider insulated panels than the older stock elsewhere in the service area, and that extra weight is harder on the track, especially on tracks that were leveled once at install and never checked again.
The climate here runs a moderate heat band rather than extreme swings, so we're not chasing the kind of freeze-thaw track warping that causes off-track failures in colder regions. What we see instead is slower, mechanical wear - rollers wearing down under a heavier panel, track brackets loosening from years of a door that's just a little too heavy for the hardware it shipped with.
At $193,971, the median household income in Barton Creek runs well above the $121,750 figure for the broader area, which shows up in the size and weight of the doors we're pulled off track here - bigger openings, heavier insulated panels, and openers upgraded to handle the extra load.