Removing Algae Stains From Roof Shingles

If you decide to try it apply it shortly after you ve cleaned the roof.

Removing algae stains from roof shingles.

A mixture of trisodium phosphate tsp bleach and water will also remove stains. Overall the cleaning performance is pretty good. It is pretty capable of restoring the. 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.

But that would only make sense if the shingles were worn out. Set the nozzle at the highest pressure setting and hold it 12 inches from the shingles. 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. The oxygen bleach will attack the algae and start to remove it.

This is the only safe way to effectively remove algae and moss from roof shingles. How to remove and prevent black algae stains on asphalt shingle roofs black stains on an asphalt roof caused by algae. Click here to get free fast bids from local companies that will come out and remove algae from your roof. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.

Rinse from the top of the roof down to avoid re staining the shingles with the dirty water. Nature takes care of the rest by allowing the wind and rain to work together and remove algae lichen and moss. Kirby notes that algae on asphalt shingles is a cosmetic or aesthetic issue not a roof performance durability problem and it is generally not necessary to remove and replace asphalt shingles strictly because of algae growth and the associated discoloration. 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.

Softwashing to remove roof algae moss we use a softwashing technique at sherwood roof cleaning power washing to clean roofs here in fairfield county. Allow the oxygen bleach to sit on the shingles for 20 minutes. 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.