How To Remove Stains From Asphalt Roof Shingles

When that happens it is generally caused by mildew algae mold or dirt stains.

How to remove stains from asphalt roof shingles. Methods for removing stains from asphalt shingles. Spray wash the roof with a 50 mix of water and bleach to get rid of the algae. Roof shingles are exposed to a lot of wear and tear as extreme heat sun wind and precipitation come into contact with them. How to remove algae from asphalt shingles.

Allow the mixture to remain on the asphalt shingles for 15 to 20 minutes. 7 rinse the shingles with a garden hose on a low pressure sprayer setting to remove the bleach and water solution. If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it. To remove the algae from asphalt shingles you have a few options.

Many products in the market are now available for removing algae stains such as wet forget and moss out. No pressure washers please. It is not uncommon for roof shingles to turn black over time. Preventing algae and moss from growing on your roof is easier than trying to.

If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs. It can take several weeks to several months for the moss to pull away from the shingles. Mix 1 quarter bleach 1 gallon water and 1 4 cup trisodium phosphate. Once it does then you can safely remove it with a leaf blower.

Gradually it will loosen from the roof shingles. The mixture of trisodium phosphate tsp bleach and water can also be used for removing stains. They re likely to damage the shingles.