As we said about green algae on roofs the presence of these black fungal or algal stains on the roof is an indicator that this roof area is in a shaded spot where you may want to be alert for development of moss or other roof problems but the level of damage from the black fungus or algae is probably low even less than that caused by lichens and certainly less than that caused by moss.
Fungus on my roof.
Scrubbing or power washing the lichen will only do more damage.
Unlike algae and moss which in their proper settings are healthy natural flora mold is a more clear cut.
It needs heat moisture and nutrients to grow.
This will be the perfect time to check on your gutters to make sure they are draining properly.
How to get rid of algae on the roof.
Bleach mixtures can injure sensitive plants.
Spraying the roof 1.
Fungus which also travels through the air can combine with algae already present on your roof and form into lichen.
It s actually just a blue green algae spread by airborne spores.
Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.
Because it is difficult to totally protect them from the mix spray.
Lichen is a photosynthetic fungus that has roots that wrap around the granules feeding on the nutrients of the gm and the filler in the shingles.
Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles.
How do you get rid of black streaks on your roof.
After cleaning off the roof treat the roof with a moisture resistant solution to help keep moisture off.
The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.
Using a plastic pump type garden sprayer thoroughly soak the affected area with your choice of chemical.
This lichen feeds off both the algae and the shingle filler.
Hose off and brush all moss loose from your roof shingles.
How to use bleach mixtures on your roof.
Unlike algae lichen can develop roots which makes it harder to remove than algae alone.
Characterized by its black green hue algae growth can eat away at shingles and eventually lead to roof rot.
To get rid of mold and other types of growth for good it s best to use a powerful.
Mold damage on roofs 1.
Even if it dries out it can come back to life when rain or moisture appears.
It is easily spread and causes those colorful stains on so many roofs.
Easily recognizable because.
Simply mix the bleach and water spread the mix over your roof with a mop and hose the roof off.
Spray the entire roof thoroughly.
Wash off all.
Scrub away the thickest buildup.
Use a long handled brush to scour the surface of the shingles and loosen stuck on.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.