You could use regular household bleach to remove the algae from your roof.
Removing black mold from shingle roof.
Green algae black mold and moss begin to die off on contact.
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.
Spray wash the roof with a 50 mix of water and bleach to get rid of the algae.
It is not uncommon for roof shingles to turn black over time.
The roof algae sometimes called a roof mildew or shingle mold actually feeds on the crushed limestone that is present in shingles from most asphalt shingle roof manufacturers.
The streaks look like mold but they re actually algae colonies that form in your shingles and feed on moisture and the limestone filler agents in the shingles.
No pressure washers please.
I covered our asphalt shingle roof about five years ago with white 50 year guaranteed shingles that had algae prevention treatment but now the entire north side of our roof is black with algae i bought the shingles from lowe s in marianna florida.
How to remove algae from asphalt shingles.
Just because you can t see it however doesn t make it any less dangerous.
At best slimy black mold deposits are an eyesore.
Green stains clean up in 1 2 weeks black stains and moss.
When that happens it is generally caused by mildew algae mold or dirt stains.
The roof algae is spread by wind and animals from roof to roof and is almost impossible to prevent.
Black streaks on the north and west facing and shaded areas of your asphalt shingled roof can really wreck the appearance of your home.
Easily remove roof mold with wet forget.
Roof shingles are exposed to a lot of wear and tear as extreme heat sun wind and precipitation come into contact with them.
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.
I am really disappointed the treated shingles didn t work.
That s why if.
How an black roof stains be removed from shingles.
The combination of the wind and the rain breakdown the growth and rinse your surfaces clean over time.
Oxygen bleach lightens stains as well and is less harmful to the environment but it doesn t produce as immediate or dramatic an effect as chlorine bleach.
To remove the algae from asphalt shingles you have a few options.
At worst they can pose serious health risks.
Mold or mildew makes black ugly streaks on a roof.
It s easy to let a mold problem sneak up on you on in out of the way places like the roof of your home.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
Not only is it unattractive it can actually shorten the life of your shingles so you really should get rid of it.
A mixture of trisodium phosphate tsp bleach and water will also remove stains.