Elastomeric roof coatings are applied thicker than paint. These elastomeric roof coatings are used for roof leaks repair. An elastomeric roof coating seal roof leaks, saves and extends the life of old roofs. Elastomeric roof coatings are an excellent choice for roof leaks repair.
How to Clean Algae and Moss from a Roof. Apply the bleach solution with a garden sprayer. Let it stand on the surface for about 20 minutes, then rinse it off with spray from a garden hose. Don't let the bleach solution stand on the roof for more than 30 minutes or so without rinsing.
Not really. By that we mean that the algae simply feeds off of the limestone that is in the asphalt shingles but it doesnât really damage the shingle. Black stains or a.k.a âRoof Moldâ is more of a cosmetic problem. *Tip: One way to prevent algae growth on roof tops is to get algae resistant shingles.This will only work when you are getting a roof replacement or a new roof installed on a brand new home.lack stains or a.k.a âRoof Moldâ is more of a cosmetic problem. *Tip: One way to prevent algae growth on roof tops is to get algae resistant shingles. This will only work when you are getting a roof replacement or a new roof installed on a brand new home.