2000-era door characteristics
That difference matters more than people think. A door and opener installed in 2000 is a generation past the builder-grade torsion setups from the 1980s, but it's still the original unit in a lot of these homes. Nobody swaps out a working garage door opener for fun, so if your house here has never had door work done, what's on the wall right now is very likely what went up when the place was framed.
