Roofs are hard to monitor closely because you don’t walk up there every week. Small shifts, sags or wear can be easy to miss with the naked eye, especially if you’re just glancing up from the ground.
Taking clear photos from similar angles once or twice a year creates a visual timeline. When you compare newer photos with older ones, you may notice things you’d otherwise overlook: slight dips forming, moss spreading, new cracks, or materials fading unevenly.
This kind of slow change is exactly what causes future problems. Spotting it early means you can schedule maintenance when it suits you, rather than reacting to a sudden leak in the middle of a stormy night.
You don’t have to be an expert. Even as a homeowner, you can say, “This part looks different from last year; let’s have it checked.” The photos become your memory.