This will prevent the solution from draining in your direction.
Roof mildew vinegar.
Pour distilled white vinegar into a bucket.
Once the sponge is soaked spread the vinegar using it over all areas of the rubber roof with mold on them.
Of dish soap to help the vinegar cling to the moss and lichens.
How do we keep that fungus among us under control.
Mix 1 part bleach to 3 parts water and apply to the mildew covered area with a hand pump sprayer.
Ensure that you also cover all surrounding areas to deal with early mold growth which is not visible yet.
Spray the entire roof thoroughly.
Adding some tri sodium phosphate tsp will help clean the roof at the same time.
Start on lowest row of shingles and work your way backwards to the upper part of the roof.
Let it sit for at least an hour before wiping away mold.
The vinegar should be labeled with its acetic acid strength which shouldn t be more than 5 percent.
Step 3 let the solution sit for 15 minutes then rinse it off with a hose.
Continue spraying until you see runoff then let the chemicals sit for 15 20 minutes to soak in and begin attacking the mold.
Pour the mixture into the spray bottle.
Graphic left courtesy spray and forget mildew and moss remover.
Start your mold removal task with vinegar.
If you need follow up scrubbing combine one teaspoon baking soda with two cups of water.
Roof cleaning is a topic that draws yawns in new england but causes shudders and screams of agony from florida and points south where vegetable life seeks world domination.