The answer to 'signs of roof maintenance damage' is that there are several common signs that indicate your roof may need maintenance or repair. These include visible damage like missing, cracked or curled shingles, sagging or uneven roof lines, and water stains or leaks in your attic or ceilings. You may also notice increased energy bills due to poor insulation, or accumulation of moss, algae or mold on the roof surface.
Regularly inspecting your roof and addressing any issues quickly can help prevent more extensive and costly damage down the line. It's best to have a professional roofer assess your roof at least once a year, or after any major storms, to identify and address any maintenance needs.