How To Remove Roof Stains

How to remove roof stains.

How to remove roof stains.

Step 2 take safety precautions. Use your garden hose to soak the affected area. Here s how to clean the. Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose.

Step 4 apply solution. Make your shingles last longer. Step 5 let solution soak in. After that mix one part cleaner with six parts water in a pump sprayer.

Do shingles on your north west or other shaded roofs have streaky moldy stains. 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. Set the nozzle at the highest pressure setting and hold it 12 inches from the shingles. Allow the oxygen bleach to sit on the shingles for 20 minutes.

Black streaks on the north and west facing and shaded. Since you ll be working with a bleach mixture make sure that any greenery in the vicinity is covered up to avoid. Rinse from the top of the roof down to avoid re staining the shingles with the dirty water. Step 1 cover foliage.

Cleaning the shingles first choose a non corrosive roof cleaner from your local home improvement store. Algae can be killed and the stains removed using chemical cleaners though they usually return over time.