Green Algae On Roof

Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight.

Green algae on roof.

Roof algae generally have a black green hue. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen. It usually grows in the north and west areas of the home. Here s what you do.

It s actually just a blue green algae spread by airborne spores. 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. Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles. You can also opt for the safer option of making your own solution.

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. Both of these algae can be cleaned from the roof however the green algae is far easier to remove than the black algae. It causes the black stains you may see on your roof. Should i avoid chlorine.

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. Well there s a way to clean that off as well. They are more of an aesthetic issue since they make the roof look horrible. Algae is airborne meaning if your neighbor has it it s likely that you ll get it too.

The green and black algae in my opinion are not harmful to the actual roofing material because they do not develop roots. The way to clean off roof algae is to go ahead and mix up some oxygen bleach with water. The green color comes from chlorophyll which is the same substance that makes plants green. The algae can cause black or gray streaks that seem to run down your roof.

What is roof algae. The black streaks on your roof don t appear for everyone they usually only appear on roofs in humid parts of the country. When it comes to removing algae from your roof you can opt to buy cleaning products from your local hardware store. How to get rid of algae on the roof.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. 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.