The answer to 'roof vent damaged' is that a damaged roof vent can be caused by a variety of issues, such as weather damage, age, or improper installation. Symptoms may include leaks, drafts, or even pests entering the home through the damaged vent. Solutions can range from simple repairs to full vent replacement, depending on the extent of the damage.
In many cases, minor roof vent repairs can be done as a DIY project, but it's important to exercise caution when working on a roof. For more complex issues or if you're unsure of the extent of the damage, it's best to call a professional roofing contractor to assess the problem and provide the appropriate solution.