Stone coated metal roofing is a growing trend right now. They look like Spanish Clay Tile, Barrel tile, Wood shake and Shingle tile. Manufacturers of these types of roofing recomends NON pressure washing on how to maintain them. Manufacturers also have suggested chemicals that you must use to avoid damage. 

 

See attached Photo below showing a Stone coated metal infested with Algea.

 

for more information call us.

Advance Roof Cleaning Company

Chino Hills, CA. 91709

Tel.#: 760-473-6418