Remove Algae From Plastic Roof

The difference i provide vs what an average homeowner can achieve is due to 1.

Remove algae from plastic roof.

Algae spores blow from roof to roof through the air and land on your roof. 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. 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.

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. Perhaps like many people around the world you have moss or algae growth on the roof of your house. The ugly black red green or brown stains on your roof are likely algae or moss. Eventually your roof can become so dirty that you may believe the shingles need to be replaced.

This can occur on most common roofing materials. Roof algae generally have a black green hue. Our method dislodges zero shingle granules. This can result in excess heat on the surface shortening the roof s lifetime.

Once the wash kills the algae it needs to be well rinsed to remove it from your roof. Whenever it rains trace amounts of metals are washed down the roof inhibiting algae growth. 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. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen.

You may think you have roof algae when really you have moss mildew or mold. Removing moss and algae from roofs. Removing algae stains from roof shingles is easy with the right technique. As more algae lands on the roof the dark areas prevent the roof from reflecting sunlight.

Algae aren t plants contrary to popular belief. Getting rid of the problem is important. How to safely remove algae moss from roof shingles. Asphalt cedar shakes concrete tiles etc and will shorten the life of your roof.