Remove Algae From Plastic Roof

This can occur on most common roofing materials.

Remove algae from plastic roof. The word algae is a garbage can taxon that can refer to a variety of totally unrelated organisms from undersea kelp to single celled bacteria. Removing moss and algae from roofs. Asphalt cedar shakes concrete tiles etc and will shorten the life of your roof. The difference i provide vs what an average homeowner can achieve is due to 1.

Algae spores blow from roof to roof through the air and land on your roof. Eventually your roof can become so dirty that you may believe the shingles need to be replaced. Removing algae stains from roof shingles is easy with the right technique. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight.

How to remove roof algae. Ability to rinse the entire roof before the wash dries 3. You may think you have roof algae when really you have moss mildew or mold. Whenever it rains trace amounts of metals are washed down the roof inhibiting algae growth.

Perhaps like many people around the world you have moss or algae growth on the roof of your house. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen. Our method dislodges zero shingle granules. Algae aren t plants contrary to popular belief.

Getting rid of the problem is important. This can result in excess heat on the surface shortening the roof s lifetime. Roof algae generally have a black green hue. Once the wash kills the algae it needs to be well rinsed to remove it from your roof.

Algae stains don t show up below the metal flashing around chimneys or roof vents because the copper and the zinc coating on galvanized sheet metal are toxic to algae. To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather. That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles. As more algae lands on the roof the dark areas prevent the roof from reflecting sunlight.