Most metal roofing has protective paint systems or coatings specifically engineered to resist corrosion but there are special circumstances that could occur including.
Roof paint dangerous.
Check for substances that may harm workers on site and take appropriate action including proper storage and safe handling of hazardous substances.
The paint you used for wood or even fiberglass will not work well on metal.
Common hazardous substances when working on rooftops include exposure to asbestos paint fumes and harmful chemicals.
The shingles themselves might hold up but trapped moisture can still damage the wooden sheathing under them and create leaks.
However this could be a problem because the roof is made up of different materials than the rest of their house.
In addition without proper uv reflectivity a roof is vulnerable to ultraviolet degradation.
Avoid elastomeric waterproofing paint which is known to trap moisture in shingles encouraging the growth of mold and algae which contribute to rot.
In as few as three years aluminum roof coatings can be up to 50 less efficient than most acrylic coating products.
For building owners this decline translates into higher energy costs over their roof s lifecycle.
Even a roof with metal or asphalt shingles is at risk for rot.
Here s how to make sure you make the right calls while addin.