Green Algae On Roof Tiles

Algae growth is common on roof surfaces of several materials including asphalt shingles concrete and clay roof tiles and even slate.

Green algae on roof tiles. Both of these algae can be cleaned from the roof however the green algae is far easier to remove than the black 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. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. The green color comes from chlorophyll which is the same substance that makes plants green.

This brings mold build up and eventually decay. While some people actually like the look of moss on their roof they may be unaware that it can damage your roof even promote rot. Roof algae generally have a black green hue. This discoloring can hurt the beauty of your home s curb appeal and the resale value of your home if you have it up for sale.

Image of house abstract mossy 119177309. The green and black algae in my opinion are not harmful to the actual roofing material because they do not develop roots. If you would like to remove green algae from a patio path wall or driveway we can show you how. Sometimes it can also be caused by an accumulation of mildew mold dirt or defective shingles.

It causes the black stains you may see on your roof. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight. Algae is a term for a large group of photosynthetic organisms but is usually seen by homeowners as a green slime which grows upon block paving imprinted concrete tarmac decking natural stone and roof tiles. The appearance of black streaks stains and green black hues on your roof is the common way to identify fungal growths.

They are more of an aesthetic issue since they make the roof look horrible. A blue green algae known as gloeocapsa magma could be the reason you have the algae which is spread by airborne spores. That moss then collects rainwater like a sponge. Photo about green moss and algae on slate roof tiles.

What happens is the algae grows and becomes food for the moss. The algae can cause black or gray streaks that seem to run down your roof. Algae and fungi roof tile accumulation is very common in south florida. Often algae that is identified as green when studied microscopically also looks black or quite dark on a roof surface.

The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen.