A blue green algae known as gloeocapsa magma could be the reason you have the algae which is spread by airborne spores.
Clean moss off asphalt roof shingles.
Removal can take several months before the moss can be blown away revealing clean shingles underneath.
Removing moss and algae from asphalt shingles.
Cleaning asphalt shingles is an important part of protecting your roof.
A thick growth of moss works like a sponge keeping the roofing damp for long periods and it can lift edges of shingles making them vulnerable to blowing off in a windstorm.
Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning.
There are many ways to remove moss that tends to grow in shaded areas.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
It s best to clean moss off a roof as soon as you notice it s growing there.
Further climbing on your roof frequently to clean off growth can damage your roof and shorten its lifespan by loosening the granules on.
To learn how to prevent moss and algae from getting on your shingles keep reading.
How to clean algae or mold off your roof shingles living in a humid area of the country like florida you ve probably seen your asphalt shingle roofs with unsightly dark streaks on them.
Both algae and moss can be easily removed from asphalt shingles with a 50 50 solution of chlorine bleach and water.
For deep stains let the roof dry then reapply the cleaning solution and rinse it off again after no more than 30 minutes.
How to remove roof moss fast before it damages your shingles.
To clean either.
Cleaning asphalt shingles of clumps of moss or algae that have taken root in the roof can feel like an overwhelming endeavor.
Moss can seriously impact asphalt shingle performance by causing them to curl up and blow off eventually resulting in leaks.
Heavy moss growth can actually form dams that can cause water to back up under the shingles and damage the roof deck.
After 15 to 20 minutes rinse the solution off with a sprayer that has enough force to dislodge algae and moss without damaging the shingles.
Fill your low pressure agricultural sprayer with a specialized asphalt cleaning agent.
The bottom line preventing algae and moss from growing on your roof is easier than trying to remove it.