Algae On Roof Tiles

Can have moss and algae accumulate on their roofs.

Algae on roof tiles.

Whenever it rains trace amounts of metals are washed down the roof inhibiting algae growth. Roof or wall tiles are often covered with moss or algae if not clean for more than 3 months. Remove moss and algae. The black streaks on your roof don t appear for everyone they usually only appear on roofs in humid parts of the country.

It discolors your tile roof absorbs heat unevenly and absorbs moisture. Roof algae generally have a black green hue. Algae growth is common on roof surfaces of several materials including asphalt shingles concrete and clay roof tiles and even slate. You may think you have roof algae when really you have moss mildew or mold.

Algae stains don t show up below the metal flashing around chimneys or roof vents because the copper and the zinc coating on galvanized sheet metal are toxic to algae. It s actually just a blue green algae spread by airborne spores. In the hundreds of thousands though algae such as pond scum seaweed and the algae blighting your roof can cause real damage. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight.

Just be careful to not damaging the tile. Use a roof scraper to scrape the extra debris from the tiles. One alga plant is unlikely to cause a fuss on your tile roof. Random moss spots here and there are easy to clear but the excessive build up of algae and moss is pretty hard to remove.

Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles. We provide a list of type of stains and colors that appear on roof shingles and on other. Stop roof algae from coming back. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen.

Often algae that is identified as green when studied microscopically also looks black or quite dark on a roof surface. 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. Algae growth on your roof looks bad. Algae provide a foothold for other organisms.

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.