Green Algae On Roof Tiles

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.

Green algae on roof tiles.

It needs heat moisture and nutrients to grow. Algae on a roof surface appears as a thin green coating which is mostly a cosmetic concern. Never use a. Here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles.

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. Step 4 take precautions. The oxygen bleach starts to go ahead and attack the roof algae. It s actually just a blue green algae spread by airborne spores.

It is easily spread and causes those colorful stains on so many roofs. Moss is a thick organic growth. Moss is thick algae is paper thin. Roof algae generally have a black green hue.

Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles. It causes the black stains you may see on your roof. Take a scrub brush lightly scrub the shingles. Often algae that is identified as green when studied microscopically also looks black or quite dark on a roof surface.

Roof moss removal usually requires a broom or heavy stream of water. Copper strips prevent the growth of moss and algae. Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach. Put on rubber gloves and a breathing mask before proceeding you so you can.

Cleaning step 2 make and apply the bleach solution. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen. It does its best to kill it and take away the stains. The green color comes from chlorophyll which is the same substance that makes plants green.

Roof moss removal and algae tips. Allow the solution to soak into the shingles for at least 15 minutes. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight. Step 3 check for cleanliness and rinse.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Algae growth is common on roof surfaces of several materials including asphalt shingles concrete and clay roof tiles and even slate. We ll explain more of that in a bit.