How To Clean Black Off Roof Shingles

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 clean black off roof shingles.

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. Read on to find out how to remove them. 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.

One day you may notice that your roof is turning black or fungus is spreading across of it. Clean your roof on a cloudy day to prevent the cleaning solution from drying too quickly. Proper cleaning is an important step in roof maintenance. Cleaning roofs is slippery work.

I am really disappointed the treated shingles didn t work. While doing little harm to your shingles the black streaks caused by the algae are unsightly. Tim asks how can i clean the black stains off my roof and keep them from coming back your stains are probably caused by the airborne spores of a blue green algae. Do it yourself and save big bucks.

That way you always stand on dry surface and reduce the chance of slipping. You can choose to clean only the black areas of the shingles but this may leave an uneven color to the roof. Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty. How to clean roof shingles.

Start at the lower portion of the roof moving up as you clean each lower section. Note that our roof cleaning tips only apply for asphalt shingles. If you have another type of roof it s important to check with your manufacturer to find out how to clean your roof. So it pays to clean your shingles as soon as you spot algae growth.

Many home owners are surprised to discover that the once clean asphalt roof shingles have been slowly covered with a form of roof mold or mildew that appears as a light discoloration and spreads down the roof toward the gutters. Cleaning the entire roof is recommended for an even appearance. Some of this growth including the stains from algae spores. Use the sprayer to saturate a strip 3 feet high x 10 feet wide.

Spray the cleaner on a section of roof and let it sit for about 15 minutes.