Remove Black Stains On Roof

It is important that the roof be wet when the cleaning mixture is applied or it may.

Remove black stains on roof. Do shingles on your north west or other shaded roofs have streaky moldy stains. Black streaks on the north and west facing and shaded. Here s how to clean the. Fill a large bucket with 1 gallon of hot water 1 qt.

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. Most formulas contain chlorine bleach and or trisodium phosphate tsp and water. Wet down the roof with water from the garden hose. How to remove and prevent black algae stains on asphalt shingle roofs algae resistant shingles.

Of chlorine bleach and a quarter cup of. These roof invaders require a moisture rich environment usually supplied by dew and shade. How to remove black stains from roof shingles. Make your shingles last longer.

How to clean roof stains wash your shingles where the sun doesn t shine. The closer you are to the roof stains the better your roof stain removal products will work. 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. The black streaks running down roofs are actually a hardy algae called gloeocapsa magma.

The algae feed on the limestone in shingles. A spray stain remover solution a scrub brush a garden house protective eyewear rubber gloves shoes with tread a bucket and a ladder. The first stains usually appear on the north facing sides of a roof which receives less light and in. 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.

In order to remove the black streaking from your roof you will need several items. An internet search on how to clean black streaks on your roof will turn up several different homemade formulas as well as commercial brands for getting rid of roof algae. Algae stains can be removed by cleaning though they usually return. Take a scrub brush.

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. As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see. While doing little harm to your shingles the black streaks caused by the algae are unsightly. Be sure to have a friend or family member with you to ensure that you are safe while your climb up and work on your roof.

In recent years roofing manufacturers have begun mixing copper granules into roofing products.