Hose off and brush all moss loose from your roof shingles.
Roof fungus treatment.
When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus growth.
External mold can do significant damage to exterior surfaces over time eating away at wood stucco and other materials.
How do you treat roof 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.
Periodic treatments will prevent mold and other gunk from moving right back in.
Clean your roof every few years.
Mold stains can form on roof shingles that are in permanent shade.
You ll want to remove mold from the outside of your house on siding or on your deck as soon as possible.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
Roof fungus stains are actually colonies of roof algae large enough to be seen from the ground.
Simply mix the bleach and water spread the mix over your roof with a mop and hose the roof off.
Shingle roof cleaner ox alters the algae stain s molecular structure preventing roof fungus and roof algae from absorbs the sunlight.
Bleach kills fungus on contact.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
If the roof fungi haven t damaged the structural integrity of the roof you should be able to clean it yourself.
The roof algae produce chemical compounds that absorb sunlight typically black or dark green.
You can do this easily with a 1 1 ratio of bleach and water.
Following the initial cleaning give your roof a checkup every six to eight months to see what kind of shape it s in.
External mold is just as serious as mold inside the home.
Zinc strips left have been used for many years as an algae preventative.
Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.