How To Clean Stain On My Roof

It s best to start at the top of the roof and spray down since spraying water up at your shingles can loosen them.

How to clean stain on my roof. Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose. Black streaks on the north and west facing and shaded. Bring your garden hose or water sprayer up to the roof. Mix your cleaning solution.

Here s how to clean the. 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. Spray your cleaning solution. Starting from the bottom.

Soak the shingles with water. The chlorine bleach roof cleaning method roof cleaning contractors who use sodium hypochlorite chlorine bleach mix it in high concentrations with other chemicals such as trisodium phosphate also known as tsp. Once you ve reached the roof spray your stain remover solution onto the stained areas. Allow the solution to sit for about fifteen minutes on the problem areas.

Have your friend hold the ladder for you as you climb up to roof with your bucket in hand. Set the nozzle at the highest pressure setting and hold it 12 inches from the shingles. Rinse the bleach solution off the ceiling with water from a. Allow the oxygen bleach to sit on the shingles for 20 minutes.

They spray it on the roof and wait for it to dry and then re apply it several times as needed. 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. Do shingles on your north west or other shaded roofs have streaky moldy stains. While specialized eco friendly roof cleaners are available they are a little more.

Make your shingles last longer. Rinse from the top of the roof down to avoid re staining the shingles with the dirty water. Donning protective gloves and goggles climb up the ladder and wipe down the stain with a clean sponge saturated in the bleach solution.