Algae On Roof
The roof can also suffer from the green microorganisms.
Algae on roof. Many homeowners have to deal with algae or even lichen and moss on damp exterior walls and especially on the side of the house facing away from the sun. Can moss and algae damage my roof. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Also it is crucial that you never use a power washer on your roof.
In both cases the rumour persists that the renovation including roof and. If you have noticed black spots or streaks on your roof you ve got algae on your roof. It causes the black stains you may see on your roof. Algae will grow flush against the shingles and fixtures on your roof.
You may think you have roof algae when really you have moss mildew or mold. Roof algae generally have a black green hue. What is roof algae. Algae on the outer wall are unlike ivy or wild wine a rather unwanted and unattractive greening of facades.
The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen. Moss on your roof is typically green throughout the wet times of the year but can turn greenish brown during the drier seasons. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. If you choose to clean the algae from the roof yourself keep in mind that this may void your roof warranty so you may want to check your warranty specifics first.
It can be brown gray blue or green. Common algae that form on roof surfaces including asphalt shingles and roll roofing include the algae shown above and gleocapsa magma a species that generally appears black on the roof surface but under some lighting conditions even on the roof gleocapsa magma can appear as a blue green color as might other algae genera species. Algae is not a plant but an organism spread by spores. You should clean your roof on a cool.
Algae growth won t cause any structural problems to your roof but it looks ugly and it can damage the shingles over time. Power washing equipment even on a low setting will damage your shingles and will most certainly void your warranty. It appears on the shingles in streaks that head down the roof pitch vertically.