How To Clean Dark Spots Off Roof

While specialized eco friendly roof cleaners are available they are a little more.

How to clean dark spots off roof. 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. Apply one coating of oxygen bleach to the darkest stained areas first then coat the entire shingled surface with the spray. Take a scrub brush. Wet down the roof with water from the garden hose.

Of chlorine bleach and a quarter cup of. Algae can be killed and the stains removed using chemical cleaners though they usually return over time. 7 use a sponge mop or soft bristle brush if it is very dirty to activate the cleaner using a circular motion. Once you ve reached the roof spray your stain remover solution onto the stained areas.

You should work on one 2 to 3 sq ft area at a time. 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. Spray your cleaning solution. Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose.

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. Make your shingles last longer. Have your friend hold the ladder for you as you climb up to roof with your bucket in hand. Black streaks on the north and west facing and shaded.

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. Mix your cleaning solution. Follow this by spraying another coat of the oxy bleach onto the darker stains. It s best to start at the top of the roof and spray down since spraying water up at your shingles can loosen them.

Bring your garden hose or water sprayer up to the roof. Gently use your brush to scrub the algae off of the shingles. It is important that the roof be wet when the cleaning mixture is applied or it may. How to clean roof stains wash your shingles where the sun doesn t shine.

How to remove black stains from roof shingles. Do shingles on your north west or other shaded roofs have streaky moldy stains. Allow the solution to sit for about fifteen minutes on the problem areas. Cleaning moss and algae 1.

Soak the shingles with water. Lightly scrub the shingles. Apply your rubber roof cleaner using a spraying mechanism. Starting from the bottom.