The exterior of a metal building is essentially maintenance free and long-lasting, thanks to superior, life-extending wall and roof coatings that retain color and resist dirt. Metal walls and sloped metal roofing are both self-cleaning.
Steel does not support mold growth, resists rust and decay better than other building materials
Read more about maintenance and repair guidance for your metal roof.
The bottom line is that low maintenance costs lead to low operating costs - a huge benefit over time.