A median build year of 1963 tells you most of what you need to know about why doors fail here. Original openings from that era were often built for single-layer doors with lightweight hardware - fine for the 1960s, undersized for the taller, heavier insulated doors homeowners want now. When one of those openings gets a modern door without resizing the track or upgrading the spring, the door works for a while and then doesn't: the opener strains, the spring wears faster than it should, or the track binds. Add a cold climate with real winter severity, and steel contracts, lubricant stiffens, and anything already marginal shows its weakness first on the coldest mornings. We see this pattern across the area's older housing - not just Fruitport - but a town built almost entirely in one decade shows it more consistently than a mixed-era neighborhood would. That's the case for a full install over a patch repair: once the frame, track, and spring are all mismatched to a newer door, replacing the whole opening is often less work than three separate repairs spread over two winters.