How To Clean Your Roof Stains

Rinse from the top of the roof down to avoid re staining the shingles with the dirty water.

How to clean your roof stains.

Use a garden hose to rinse the stains and cleaning solution from the roof. Set the garden hose on the spray setting with the highest pressure water and hold the nozzle close to the shingles when rinsing. They spray it on the roof and wait for it to dry and then re apply it several times as needed. Rv detailing tips that shows how to simplify your roof cleaning efforts.

Allow the oxy bleach mixture to sit on the shingles for about 15 minutes. How to clean roof stains wash your shingles where the sun doesn t shine. Spray your cleaning solution. Cleaning moss and algae 1.

Set the nozzle at the highest pressure setting and hold it 12 inches from the shingles. Make your shingles last longer. Algae can be killed and the stains removed using chemical cleaners though they usually return over time. Here s how to clean the.

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. Allow the oxygen bleach to sit on the shingles for 20 minutes. This will remove any stains that were loosed up by the oxygen bleach. Soak the shingles with water.

Mix your cleaning solution. Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose. 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. Black streaks on the north and west facing and shaded.

Starting from the bottom. Bring your garden hose or water sprayer up to the roof. Do shingles on your north west or other shaded roofs have streaky moldy stains. Fit a squeeze trigger nozzle onto the end of your garden hose turning it clockwise to tighten and turn the pressure on high.