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 Apply antiseptic and a dressing or band-aid to the area to protect it and keep it free from dirt or irritants. 2  Donât use tape alone for the dressing, as removing the tape may rip the roof skin off the blister.  Change the dressing daily and re-apply antiseptic.