It needs heat moisture and nutrients to grow.
Roof tile fungus.
The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.
Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.
It s actually just a blue green algae spread by airborne spores.
Black algae stains may be mistaken for but are not extractive bleeding a product cosmetic defect.
Their formulae use tried and true zinc compounds that linger on surfaces to provide continuing protection.
Roof lichen are symbiotic organism where fungus and algae live in a dependent relationship unfortunately their relationship can cause real damage to your roof.
It is easily spread and causes those colorful stains on so many roofs.
Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles.
Roofs and others designed to remove and or inhibit moss and fungus growth on siding masonry surfaces and even lawns.
It is easily spread and causes those colorful stains on so many roofs.
Lichen are sutborn and are very diffcult to remove unlike the roof algae roof lichen are persistent and deeply adhered to the roof.