The answer to 'why is my metal roof worn out' is that metal roofs can become worn out over time due to a variety of factors, including exposure to the elements, improper installation, or lack of maintenance. Some common signs of a worn out metal roof include rusting, pitting, fading, and leaks.
Metal roofs are durable and can last for decades, but they are not immune to wear and tear. Factors like harsh weather, UV radiation, and corrosive materials in the environment can all contribute to the deterioration of a metal roof over time. Additionally, if the roof was not installed correctly or if the sealants and fasteners were not properly maintained, this can lead to premature wear and tear.