Removing Algae Stains From Roof Shingles

If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.

Removing algae stains from roof shingles.

Keep the roof wet for about 10 15 minutes. If you decide to try it apply it shortly after you ve cleaned the roof. Set the nozzle at the highest pressure setting and hold it 12 inches from the shingles. But that would only make sense if the shingles were worn out.

Unlike some of the cheap roof cleaners the shingle shield roof and deck cleaner can certainly bring back the old look back in any surface. It is pretty capable of restoring the. Click here to get free fast bids from local companies that will come out and remove algae from your roof. How to remove and prevent black algae stains on asphalt shingle roofs black stains on an asphalt roof caused by algae.

The oxygen bleach will attack the algae and start to remove it. Mix the oxygen bleach with water and spray it onto the roof with a pump sprayer. Nature takes care of the rest by allowing the wind and rain to work together and remove algae lichen and moss. A mixture of trisodium phosphate tsp bleach and water will also remove stains.

The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae. This is the only safe way to effectively remove algae and moss from roof shingles. Overall the cleaning performance is pretty good. Rinse from the top of the roof down to avoid re staining the shingles with the dirty water.

There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor. The second method is to spray on a coating of stain blocking solution defy stain blocker for roofs is one product but there are other brands as well a stain blocking product can buy you up to three years of protection from algae. You could replace all the roofing with new shingles dark enough to disguise the staining or with shingles laced with copper granules which are lethal to algae.