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.
Sweep away any leaves or other debris that may be on the roof. Use a wire brush to scrub away the rust spots. Wear goggles and gloves to protect your hands and eyes. After removing the rust, rinse the roof with a hose that has a pressure nozzle and let it dry completely.pply a thick layer of urethane roofing cement around the edges of the hole. Press the first mesh sheet over the hole. Add another layer of urethane roofing cement and apply the second mesh patch. Seal the patch with a third layer of urethane cement and let it dry completely according to the directions on the label.