The answer to 'signs of metal roof damage' is that there are several key indicators that a metal roof may be in need of repair or replacement. Some common signs include rusting or corrosion, loose or missing fasteners, visible holes or cracks, and areas where the finish has worn away. Over time, exposure to the elements can cause metal roofs to deteriorate, leading to leaks and other problems.
It's important to regularly inspect a metal roof for any of these issues and address them promptly. Ignoring signs of damage can lead to more extensive and costly repairs down the line. If you're unsure about the condition of your metal roof, it's best to have a professional roofing contractor take a look.