Algae On Roof Tiles

These fungal growths do not grow directly on the roof tiles but grow in between the tiles and then start to spread to cover various surfaces of the roof.

Algae on roof tiles. Roof algae generally have a black green hue. It is easily spread and causes those colorful stains on so many roofs. Some are even formulated to keep the issue from immediately returning offering long term year round protection for your roof. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight.

Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles. Algae growth is common on roof surfaces of several materials including asphalt shingles concrete and clay roof tiles and even slate. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Often algae that is identified as green when studied microscopically also looks black or quite dark on a roof surface.

Attached near the peak of the roof. When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus. The solution also helps to loosen the grip of the shallow moss roots. Zinc strips left have been used for many years as an algae preventative.

If you keep the roof surface wet with the solution for just 20 minutes and then lightly scrub the roof surface the algae will come off with no issues. The algae and mold are removed by the washing but the roof is treated by the chemical. It s actually just a blue green algae spread by airborne spores. Severely stained roofs may require multiple applications of the stain solver solution.

That means if you see algae or moss on your roof shingles it s time to remove it. This brings mold build up and eventually decay. The appearance of black streaks stains and green black hues on your roof is the common way to identify fungal growths. It causes the black stains you may see on your roof.

Soaking in to the tile and the spaces between these cleaners are created to specifically target algae and moss spores and all. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. Some roof shingle materials contain algaecides or fungicides which will also retard moss growth on the roof surface. How to get rid of algae on the roof.

You ll also notice that moss lichens and usually algae and fungus will be conspicuously absent from a roof surface down roof from areas where galvanized metal copper or even aluminum flashing are installed. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen. It needs heat moisture and nutrients to grow.