The answer to 'why is my metal roof' is that there are several common causes for issues with a metal roof, including improper installation, weathering, and damage from extreme weather events. Symptoms may include leaks, rust, loose fasteners, or visible dents and dings.
If you're experiencing problems with your metal roof, it's generally best to call in a professional roofing contractor to diagnose and address the issue. Metal roofs require specialized knowledge and equipment for proper repair and maintenance. While some minor issues like loose fasteners may be possible to DIY, more complex problems like leaks or structural damage should be handled by an experienced roofer.