How To Remove Green Algae From Roof Shingles

Algae stains can be removed by cleaning though they usually return.

How to remove green algae from roof shingles.

It takes special. It will continue to worsen year after year until you invest in professional cleaning. Algae can cause unsightly stains and growths on your new roof. How to safely remove algae moss from roof shingles.

Misnamed as mildew or fungus by some writers algae staining on asphalt shingles usually in shaded areas or on the more shaded roof slopes characterized by black staining fairly uniform over shingles but appearing specifically in areas of the roof shaded by nearby trees. A blue green algae known as gloeocapsa magma could be the reason you have the algae which is spread by airborne spores sometimes it can also be caused by an accumulation of mildew mold dirt or defective shingles. Algae stains which are often mistaken for mold or mildew aren t harmful to anything other than the appearance of asphalt shingles but nobody likes the look. The ugly black red green or brown stains on your roof are likely algae or moss.

Black or brown or green algae stains on asphalt roof shingles. While an occasional cleaning might not harm your roof repeated use of harsh chemicals or the erosive effects of pressure washing can damage or shorten the life of asphalt shingles. Pressure washing and bleach aren t the best options for cleaning green and black algae. How to remove algae from roof shingles pacific west roofing here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles.

Even if you try to remove the algae it can easily grow back because these cleaning methods don t effectively attack the full growth. Unlike algae moss left on roof surfaces can develop beyond an aesthetic problem. Green velvety masses of moss often grow on north facing roof surfaces and on tree shaded roofs. If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it.

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. Meaning there are traces of algae left behind and it can quickly come back. Living in a humid area of the country like florida you ve probably seen your asphalt shingle roofs with unsightly dark streaks on them. Getting rid of the problem is important but how do you safely remove algae and moss from roof shingles.

The organisms use your roof shingles as food which slowly deteriorates the materials.