A patio door that does not shut correctly usually does not do so suddenly. It rarely becomes stuck overnight or fails suddenly. Instead, it changes slowly. A slight push becomes necessary. The lock no longer clicks like it used to. Perhaps, there is a tiny space where there wasn’t one before. Initially, it is easy to overlook. The door still works—just not perfectly. And in busy day-to-day life, “not perfect” often feels good enough. But here’s the reality: when your patio do