How To Remove Stains From Asphalt Roof Shingles

The mixture of trisodium phosphate tsp bleach and water can also be used for removing stains.

How to remove stains from asphalt roof shingles.

How to remove and prevent black algae stains on asphalt shingle roofs black stains on an asphalt roof caused by algae. To remove the algae from asphalt shingles you have a few options. Mix 1 quarter bleach 1 gallon water and 1 4 cup trisodium phosphate. They re likely to damage the shingles.

7 rinse the shingles with a garden hose on a low pressure sprayer setting to remove the bleach and water solution. No pressure washers please. It can take several weeks to several months for the moss to pull away from the shingles. Once it does then you can safely remove it with a leaf blower.

Spray wash the roof with a 50 mix of water and bleach to get rid of the algae. Gradually it will loosen from the roof shingles. If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it. Roof shingles are exposed to a lot of wear and tear as extreme heat sun wind and precipitation come into contact with them.

Removing moss and algae from asphalt shingles. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs. Allow the mixture to remain on the asphalt shingles for 15 to 20 minutes. It is not uncommon for roof shingles to turn black over time.

You could use regular household bleach to remove the algae from your roof. Many products in the market are now available for removing algae stains such as wet forget and moss out. Methods for removing stains from asphalt shingles.