While there are some metal roofs for houses that aspire to look like tiles or shakes that have granular coatings all of the steel shop buildings that i have seen have some type of epoxy or enamel coating that is usually as reflective as gloss enamel.
Non reflective metal roof.
The specific requirement is that all roofs be dark and non reflective.
In cooler climates dark coloured materials such as dark metal non reflective roofing are often the most beneficial.
If you are looking to reduce the heat in the building or structure which has the metal roofing you are looking to paint then this may be the paint for you and your needs.
Once again the pvdf finishes out perform other coatings in this area as their tight molecular bond provides excellent dirt resistance.
101 non fibered foundation coating model he101571 49 95 49 95.
White seal plus 100 acrylic elastomeric reflective roof coating with high uv ray reflectance model rc886 2 view the lanco roof coatings 79 00.
This means it can reduce the temperature inside the structure as much as 50 degrees in some conditions.
For homes in warmer climates pre painted or granular coated metal roofing systems reflect solar energy and cool your home by re emitting most of what solar radiation is absorbed.
The basic unpainted metal roof will reflect more solar radiation than an asphalt roof which absorbs and holds heat.
Step 1 heat reduction.
A prime benefit of metal roofing compared to asphalt shingles is that metal roofs are far less likely to get black streaks of mildew and algae over time.