How To Clean Dark Spots Off Roof

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

How to clean dark spots off roof.

Do shingles on your north west or other shaded roofs have streaky moldy stains. Bring your garden hose or water sprayer up to the roof. Mix your cleaning solution. Pour all of these ingredients into a pump type garden sprayer the type often used for applying liquid fertilizers and spray them on the roof using long even strokes.

Have your friend hold the ladder for you as you climb up to roof with your bucket in hand. 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. Spray the oxygen bleach mixture onto the shingles. 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 other detergent added in a garden pump up sprayer.

Gently use your brush to scrub the algae off of the shingles. Take a scrub brush. Wet down the roof with water from the garden hose. Black streaks on the north and west facing and shaded.

Cleaning moss and algae 1. How to clean roof stains wash your shingles where the sun doesn t shine. Fill a large bucket with 1 gallon of hot water 1 qt. 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. You should work on one 2 to 3 sq ft area at a time. Apply your rubber roof cleaner using a spraying mechanism. 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.

Here s how to clean the. 7 use a sponge mop or soft bristle brush if it is very dirty to activate the cleaner using a circular motion. Follow this by spraying another coat of the oxy bleach onto the darker stains. Allow the solution to sit for about fifteen minutes on the problem areas.

While specialized eco friendly roof cleaners are available they are a little more. Once you ve reached the roof spray your stain remover solution onto the stained areas. Lightly scrub the shingles. It s best to start at the top of the roof and spray down since spraying water up at your shingles can loosen them.

Make your shingles last longer. Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose. Apply one coating of oxygen bleach to the darkest stained areas first then coat the entire shingled surface with the spray. How to remove black stains from roof shingles.