Green Algae On Roof Tiles

Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles.

Green algae on roof tiles.

The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen. If you wish to prevent reoccurrence of fungus think zinc. The algae can cause black or gray streaks that seem to run down your roof. Zinc strips left have been used for many years as an algae preventative.

How to get rid of algae on the roof. 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. It s actually just a blue green algae spread by airborne spores. When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus growth.

Roof algae generally have a black green hue. How to remove algae from roof shingles here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles. 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. The green color comes from chlorophyll which is the same substance that makes plants green.

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. 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. The only way to take care of it is to use a high base chemical solution like zinc sulfate. A blue green algae known as gloeocapsa magma could be the reason you have the algae which is spread by airborne spores.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. 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. The black streaks on your roof don t appear for everyone they usually only appear on roofs in humid parts of the country. What is roof algae.

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight.