Green Algae On Roof

Both of these algae can be cleaned from the roof however the green algae is far easier to remove than the black algae.

Green algae on roof.

Some roofs also have regular green algae that comes from trees and things that are near the houses. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight. What is roof algae. While blue green algae can affect almost every roof on the market removing it can be a fairly easy task as all it takes is a little chemical cleaner.

How to get rid of algae on the roof. Here s what you do. Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles. The green and black algae in my opinion are not harmful to the actual roofing material because they do not develop roots.

When it comes to removing algae from your roof you can opt to buy cleaning products from your local hardware store. It s actually just a blue green algae spread by airborne spores. Well there s a way to clean that off as well. It causes the black stains you may see on your roof.

You can also opt for the safer option of making your own solution. The black streaks on your roof don t appear for everyone they usually only appear on roofs in humid parts of the country. Roof algae generally have a black green hue. The black stains you see on your roof aren t the algae itself but a hard dark coating it creates to protect itself from the sun s harmful ultraviolet rays.

The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. They are more of an aesthetic issue since they make the roof look horrible. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.

The green color comes from chlorophyll which is the same substance that makes plants green. Algae is airborne meaning if your neighbor has it it s likely that you ll get it too. If you have green stains on your deck or siding it s probably due to either cholophyta algae green algae or a cyanobacterium related to gloeocapsa magma. It usually grows in the north and west areas of the home.

Should i avoid chlorine. Common algae that form on roof surfaces including asphalt shingles and roll roofing include the algae shown above and gleocapsa magma a species that generally appears black on the roof surface but under some lighting conditions even on the roof gleocapsa magma can appear as a blue green color as might other algae genera species.