Most houses in Bartlett went up between 1972 and 2005, with the median build year sitting around 1998. That puts a huge share of the original garage doors in this town somewhere between 20 and 50 years old. Across the ten named areas that make up this market, the stock leans heavily 1980s and 90s construction - which means steel panel doors built before insulated cores and thermal breaks were standard, hung on tracks and openers sized to specs nobody uses anymore.
Bartlett sits in a cold-moderate climate band. That doesn't mean brutal winters, but it does mean enough freeze-thaw cycles and cold mornings that an uninsulated, unsealed door from the 1980s is doing almost nothing to stop drafts into an attached garage. Add thirty-plus years of expansion and contraction on the original track and header seal, and you get doors that still close but no longer seat right, still open but bind on the same cold mornings every year.
This is the core reason installation calls in Bartlett skew toward full replacement rather than a tune-up: the door isn't broken so much as it's outlived the house around it. Panels built to 1990s standards don't match current opener specs, current seal profiles, or current insulation expectations, and patching them piecemeal usually costs more over five years than one clean swap.