Then use a long handled brush to scour the surface of the shingles and loosen stuck on mold while it s dry and brittle.
Fungus on my roof.
Simply mix the bleach and water spread the mix over your roof with a mop and hose the roof off.
To clean mold off a roof start by putting on rubber gloves a breathing mask and goggles to protect yourself from the harsh cleaning chemicals.
The spores of algae moss mold and mildew travel through the air but they don t nest on rooftops unless certain conditions are in place.
Asphalt roof shingle defects.
Identifying removing preventing algae fungus lichens moss on roof shingles.
Bleach kills fungus on contact.
If the roof fungi haven t damaged the structural integrity of the roof you should be able to clean it yourself.
For the purposes of this article the terms mildew fungus algae and moss.
Some of my readers came forward with suggestions and a few companies also supplied information helpful to this research.
Mold and mildew are most dangerous of all due to their detrimental health effects.
You can do this easily with a 1 1 ratio of bleach and water.
Since starting on a quest for the ideal method of cleaning fungus and algae from roofs i have contacted dozens of individuals and companies.
The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.
Here we discuss the causes of algae moss lichens or fungal growth on roof shingles the effects of these conditions and how to cure or prevent them.
Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.
Next mix 1 quart of bleach 1 gallon of water and cup of trisodium.
How to stop roof fungus.