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.
In addition, some houses might have green algae from nearby trees. There is a simple way to get rid of these algae. To clean roof algae, use oxygen bleach. It will not take the color out of the shingles and will not harm the vegetation. Mix the oxygen bleach with water and spray it onto the roof with a pump sprayer.Keep the roof wet for about 10 - 15 minutes. The oxygen bleach will attack the algae and start to remove it.Take a scrub brush and lightly scrub the roof.t will not take the color out of the shingles and will not harm the vegetation. Mix the oxygen bleach with water and spray it onto the roof with a pump sprayer. Keep the roof wet for about 10 - 15 minutes. The oxygen bleach will attack the algae and start to remove it. Take a scrub brush and lightly scrub the roof.