Cleaning Moss Off Asphalt Shingles

Spray landscape plants near the house with water and cover them with tarps to protect them from chemical overspray and runoff.

Cleaning moss off asphalt shingles. Don t be tempted to rush getting the moss off faster by having someone power wash your roof or scrub in the bleach solution or brush or scrape off the moss even though you may find advice on. While algae doesn t actually harm your roof it can impact its aesthetic appeal. Apply a storebought or diy cleaning solution to remove the moss. If you have a consistent problem with mold growth on your roof consult a roofing professional.

The concentrated jet will scrape off the small pebbles on top of the shingles and reduce their water repellency which will only make your mold situation worse. Hose off and brush all moss loose from your roof shingles. Always keep your roof clear of overhanging branches and clean your gutters regularly. 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.

Wait for a calm windless day to clean your roof. Apply with a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water. Wear protective clothing including long sleeves pants and gloves as. If your moss problem requires more than.

Never use a pressure washer to wash or rinse shingles. Further climbing on your roof frequently to clean off growth can damage your roof and shorten its lifespan by loosening the granules on. The bottom line preventing algae and moss from growing on your roof is easier than trying to remove it. Moss can seriously impact asphalt shingle performance by causing them to curl up and blow off eventually resulting in leaks.

Removal can take several months before the moss can be blown away revealing clean shingles underneath. Hose off and brush all moss loose from your roof shingles. 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. Carefully place a ladder near the area of moss.

Fill your low pressure agricultural sprayer with a specialized asphalt cleaning agent. Spray it across the shingles you wish to clean wait about 20 minutes then rinse them with water. How to clean algae and moss off asphalt shingles. But that would only make sense if the shingles were worn out.

Cleaning asphalt shingles is an important part of protecting your roof. Removing moss and algae from asphalt shingles. Apply liquid cleaners with a hand pump sprayer or with a pressure washer on the lowest setting so as not to cause any damage to the shingles.