Remove Black Stains From Roof Shingles

The oxygen bleach starts to go ahead and attack the roof algae and it does its best to kill it and take away the stains.

Remove black stains from roof shingles.

Do shingles on your north west or other shaded roofs have streaky moldy stains. Lightly scrub the shingles. Take a scrub brush. Wet down the roof with water from the garden hose.

How to remove black stains from roof shingles. Fill a large bucket with 1 gallon of hot water 1 qt. You will need to remove the existing algae by hand in order to eliminate the black streaking altogether. Make your shingles last longer.

Your stains are probably caused by the airborne spores of a blue green algae known as gloeocapsa magma which is often mistaken for mold or mildew. How to clean roof stains wash your shingles where the sun doesn t shine. Re shingle the roof with shingles that have metal granules to exact the same effect as the metal strips manufacturers of algae resistant. Use a cleaner specially made for killing algae or by spraying a mixture of one part bleach to four parts water with tsp trisodium phosphate or.

As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see. Algae stains can be removed by cleaning though they usually return. So black stains on roofs can be removed just choose a quality roof cleaner product or your local roof cleaning professional and make your roof look better. The algae will worsen and become more noticeable each year trapping moisture and causing premature shingle aging and granule loss.

Black streaks on the north and west facing and shaded. Algae can be killed and the stains removed using chemical cleaners though they usually return over time. Of chlorine bleach and a quarter cup of. Jimmy shows us how he cleans the black mold stains on a roof using their cleaner roof sparkle make it your self.

While doing little harm to your shingles the black streaks caused by the algae are unsightly. In order to remove the black streaking from your roof you will need several items. The algae feed on the limestone in shingles. What you do is put it into a pump sprayer spray it on the roof and you need to keep the roof wet with the solution for about 10 or 15 minutes.

How to remove and prevent black algae stains on asphalt shingle roofs algae resistant shingles. In recent years roofing manufacturers have begun mixing copper granules into roofing products. The closer you are to the roof stains the better your roof stain removal products will work. Thanks to jimmy from roof sparkle.