Glen Ellyn's housing stock centers on 1972, which puts most garage doors and the hardware behind them squarely in the early-opener era. That's different from a lot of the wider service area, where homes stretch from 1938 all the way to 2001. A house built around 1972 usually came with a single-panel or early sectional door, light-gauge track, and if it ever got an opener retrofit, it's probably a chain-drive unit from a later decade bolted onto original brackets. We see a lot of mismatched hardware in homes this age - a newer opener paired with a worn original track, or a replacement door hung on 50-year-old jamb brackets that were never meant to carry today's heavier insulated panels. None of this is unusual. It's just what comes with a neighborhood that mostly went up in one building wave rather than being developed piecemeal over decades.