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.
Before you work with Irish Moss, you usually need to make it into a paste. 1  To make a paste, soak Â¼ cup Irish Moss in cold water for at least 3 hours. 2  Then rinse your moss in cold water really, really well to get rid of all sand and rocks. 3  Put your moss in the blender with 1 cup water.