Green Algae On Roof Tiles

What is roof algae.

Green algae on roof tiles.

People who live in all parts of the nation and have roofs made from all sorts of materials wood metal asphalt clay or concrete tiles etc. The green color comes from chlorophyll which is the same substance that makes plants green. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight. Those places that receive more rainfall and have sustained high levels of humidity have more moss and algae growth as the moss and algae need water to grow and multiply.

Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles. Some of my readers came forward with suggestions and a few companies also supplied information helpful to this research. For the purposes of this article the terms mildew fungus algae and moss. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen.

Living in a humid area of the country like florida you ve probably seen your asphalt shingle roofs with unsightly dark streaks on them. 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. Since starting on a quest for the ideal method of cleaning fungus and algae from roofs i have contacted dozens of individuals and companies. Can have moss and algae accumulate on their roofs.

It s actually just a blue green algae spread by airborne spores. As we said about green algae on roofs the presence of these black fungal or algal stains on the roof is an indicator that this roof area is in a shaded spot where you may want to be alert for development of moss or other roof problems but the level of damage from the black fungus or algae is probably low even less than that caused by lichens. Green off best roof cleaner for mold. How to get rid of algae on the roof.

You may think you have roof algae when really you have moss mildew or mold. 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. The algae can cause black or gray streaks that seem to run down your roof. Green off as many of you probably heard is also one of the well known manufacturers of various household products.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. 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. Roof algae generally have a black green hue.