Then use a long handled brush to scour the surface of the shingles and loosen stuck on mold while it s dry and brittle.
How to clean mold off roofing shingles.
Though often attributed to an accumulation of dirt defective shingles mold or mildew.
Why anyone has to get on a roof and then run some machine pressure over it is beyond me.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
How to clean roof shingles.
But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.
Do it yourself and save big bucks.
Proper cleaning is an important step in roof maintenance.
Mold or mildew makes black ugly streaks on a roof.
Solution and then they get up on your roof with a pressure machine because the solution they are using won t properly clean the roof they need pressure to remove 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.
Step 1 protect your plants and lawn.
Splash the plants and parts of your lawn that are close to the sides of your house with water to protect them from the bleach solution.
Mold stains can form on roof shingles that are in permanent shade.
One day you may notice that your roof is turning black or fungus is spreading across of it.
Not only is it unattractive it can actually shorten the life of your shingles so you really should get rid of it.
Some of this growth including the stains from algae spores.
So it pays to clean your shingles as soon as you spot algae growth.