Romoving Stains Off Of Roof Shingles

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

Romoving stains off of roof shingles. How to clean roof shingles. These are tough stains to completely remove as the algae is embedded deep in the shingle grit. Proper cleaning is an important step in roof maintenance. Chlorine bleach and trisodium phosphate step 1 wet down the roof with water from the garden hose.

I had to get out the pressure washer to really clean the roof but needed to use caution to not damage it. Some of this growth including the stains from algae spores. It is important that the roof be wet when the cleaning mixture is applied or it may evaporate before it has a chance to work. 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.

A mixture of trisodium phosphate tsp bleach and water will also remove stains. If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it. 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. Not to mention the danger of using a pressure washer on a pitched roof.

Remove black stains from roof shingles to preserve the appearance of your home s roof. One day you may notice that your roof is turning black or fungus is spreading across of it.