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