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.
1 Start by applying a moss killer to the moss in your lawn. 2  These products normally contain ferrous sulfate or ferrous ammonium sulfate. 3  Once the moss is dead, rake it off of the area that you want to remove it from. 4  Seed the area with your desired grass seed.