Bleach mixtures can injure sensitive plants.
Roof mold remedies.
Spraying the roof 1.
Because it is difficult to totally protect them from the mix spray.
If you decide to use a bleach solution or other readymade roof moss treatment protect nearby plants with plastic sheeting.
The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae.
Spray the entire roof thoroughly.
Use a long handled brush to scour the surface of the shingles and loosen stuck on.
The coating of water will dilute chemicals spilling downward from roof eaves.
How to use bleach mixtures on your roof.
Let sit for 10 to 20 minutes and rinse with a garden hose.
Not to worry though because you can clean the mold off with basic household bleach and save your roof long before you need an expensive replacement.
Using a plastic pump type garden sprayer thoroughly soak the affected area with your choice of chemical.
By this old house tom silva installs a zinc strip to keep roof algae from coming back.
Scrub tough stains with a stiff bristle brush dipped in the solution.
To get rid of mold and other types of growth for good it s best to use a powerful.
Scrub away the thickest buildup.
Don gloves and eye protection and liberally spray a 1 to 10 solution of bleach and water on the surface.
Extensive mold growth can also expose the interior of your attic or crawlspace to mold spores carrying the problem over to the inside.
Follow the steps below to remedy this problem.