How To Clean Clear Roof Stains

Cleaning moss and algae 1.

How to clean clear roof stains.

Set the nozzle at the highest pressure setting and hold it 12 inches from the shingles. Do shingles on your north west or other shaded roofs have streaky moldy stains. Soak the shingles with water. 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.

For the many homeowners who want to return the roof to its original color there are two methods for dealing with a stained roof. Bring your garden hose or water sprayer up to the roof. Vinegar bleach ammonia and salt will all effectively change the ph level of your roof allowing you to clean it. 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. Chemicals and metal strips. Here s how to clean the. Do not move the towel in a circular motion as this may damage the fabric or underlying structure.

Work slowly using even strokes. Mix your cleaning solution. Starting from the bottom. Next use a pump sprayer attachment to apply the cleaning solution to your roof.

They spray it on the roof and wait for it to dry and then re apply it several times as needed. Rub the cleaner gently over any stains. Use a side to side motion and apply minimal pressure. Allow the oxygen bleach to sit on the shingles for 20 minutes.

Using a clean and dry towel gently wipe over the freshly cleaned area to remove any residual of dirt or cleanser. While specialized eco friendly roof cleaners are available they are a little more. 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. Make your shingles last longer.

Spray the roof with the diluted substance and let it sit for about an hour. Rinse from the top of the roof down to avoid re staining the shingles with the dirty water. Removal make algae a thing of the past there are two methods for removing algae stains. Spray your cleaning solution.

If you don t you risk splotchy areas of clean and less clean shingles based on which areas got a better dose of solution. How to clean roof stains wash your shingles where the sun doesn t shine.