The answer to 'signs of roof vent damage' is that there are several common indicators that your roof vents may need repair or replacement. These include visible cracks or holes in the vent housing, rusting or corrosion, missing or damaged flashing, and water stains or leaks around the vent. If left unaddressed, damaged roof vents can lead to roof leaks, energy inefficiency, and even structural problems.
It's important to inspect your roof vents regularly, especially after severe weather, and address any issues promptly. While some minor vent repairs may be possible as a DIY project, it's generally best to have a professional roofing contractor assess and fix any significant vent damage to ensure proper ventilation and prevent further roof issues.