How To Remove Roof Stains

Allow the oxygen bleach to sit on the shingles for 20 minutes.

How to remove roof stains. Make your shingles last longer. How to clean roof stains wash your shingles where the sun doesn t shine. Step 2 take safety precautions. Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose.

Step 4 apply solution. Rinse from the top of the roof down to avoid re staining the shingles with the dirty water. Step 5 let solution soak in. Algae can be killed and the stains removed using chemical cleaners though they usually return over time.

Do shingles on your north west or other shaded roofs have streaky moldy stains. Step 3 mix cleaning solution. Black streaks on the north and west facing and shaded. Cleaning the shingles first choose a non corrosive roof cleaner from your local home improvement store.

How to remove roof stains. After that mix one part cleaner with six parts water in a pump sprayer. Here s how to clean the. Use your garden hose to soak the affected area.

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. Next position your ladder against your home and make sure it s secure.