How To Clean Black Off Roof Shingles

Use the sprayer to saturate a strip 3 feet high x 10 feet wide.

How to clean black off roof shingles.

Some of this growth including the stains from algae spores. One day you may notice that your roof is turning black or fungus is spreading across of it. Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty. Cleaning roofs is slippery work.

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. Proper cleaning is an important step in roof maintenance. So it pays to clean your shingles as soon as you spot algae growth. But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.

How to clean roof shingles. That way you always stand on dry surface and reduce the chance of slipping. Clean your roof on a cloudy day to prevent the cleaning solution from drying too quickly. If you have another type of roof it s important to check with your manufacturer to find out how to clean your roof.

Start at the lower portion of the roof moving up as you clean each lower section. Unlike black algae stains which come off immediately with the rinse phase of the cleaning dead lichen and moss will require a few heavy rains to finish rinsing off the roof. Discard any excess oxygen bleach solution after it has set for six hours. Do it yourself and save big bucks.

You can choose to clean only the black areas of the shingles but this may leave an uneven color to the roof. It could take awhile but rest assured that lichen and most moss situations once dead will eventually dislodge and rinse off the roof thanks to mother nature. Cleaning the entire roof is recommended for an even appearance. I am really disappointed the treated shingles didn t work.

In fact it s wise to consult your manufacturer for roof cleaning tips regardless of what type of shingles you have in order to avoid inadvertent damage. Spray the cleaner on a section of roof and let it sit for about 15 minutes. While doing little harm to your shingles the black streaks caused by the algae are unsightly. Read on to find out how to remove them.

Note that our roof cleaning tips only apply for asphalt shingles.