You could use regular household bleach to remove the algae from your roof.
How do you remove mold from roof shingles.
No pressure washers please.
It is not uncommon for roof shingles to turn black over time.
To make sure you re getting your money s worth hold off until the shingles you have in place begin to wear out.
No one likes having to buy a new roof much sooner than anticipated.
Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.
When that happens it is generally caused by mildew algae mold or dirt stains.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
Black mold stains streaks and clumps of moss growing on the roof look unsightly.
Mold stains can form on roof shingles that are in permanent shade.
Apply a storebought or diy cleaning solution to remove the moss.
Spray wash the roof with a 50 mix of water and bleach to get rid of the algae.
In hot and humid climates like tampa algae growth on asphalt shingles can be a real problem.
These black streaks are unsightly and can diminish the appearance of the entire exterior of the home.
Talk to your contractor or roofing expert about the cost of installing mold resistant shingles.
To remove the algae from asphalt shingles you have a few options.
There s no sense in replacing perfectly good roof shingles.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.
There are a number of commercial products available that will get rid of mold but if you don t mind working at heights getting mold off roof shingles is really something you can do yourself.
Your shingles may be old and in need of replacement or just in need of waterproof coating to help prevent them from getting too wet.
Not only is it unattractive it can actually shorten the life of your shingles so you really should get rid of it.
Extensive mold growth can also expose the interior of your attic or crawlspace to mold spores carrying the problem over to the inside not to worry though because you can clean the mold off with basic household bleach and save.
You may also worry that mold growth will harm your asphalt shingles and reduce the roof s lifespan.
They re likely to damage the shingles.
Remove black stains from roof shingles to preserve the appearance of your home s roof.