Remove Green Algae From Roof Tiles

Algae stains on roofs.

Remove green algae from roof tiles.

Here we discuss the causes of algae growth on roof shingles the effects of these conditions and how to cure or prevent algae formation on roofs. The green and black algae in my opinion are not harmful to the actual roofing material because they do not develop roots. 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.

You may think you have roof algae when really you have moss mildew or mold. The green color comes from chlorophyll which is the same substance that makes plants green. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Roof algae generally have a black green hue.

Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight. Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together. When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow. The algae can cause black or gray streaks that seem to run down your roof.

Causes cures of black brown or green algae staining on roof surfaces. 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. Causes of algae growth on roof shingles the effects of algae on roofs how to identify algae and how to remove and prevent algae formation on roof. Removing moss mildew fungus and associated stains on roofs roof cleaning is a topic that draws yawns in new england but causes shudders and screams of agony from florida and points south where vegetable life seeks world domination.

They are more of an aesthetic issue since they make the roof look horrible. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen.