How To Remove Roof Stains

How to remove roof stains.

How to remove roof stains.

Next position your ladder against your home and make sure it s secure. Step 2 take safety precautions. Since you ll be working with a bleach mixture make sure that any greenery in the vicinity is covered up to avoid. Black streaks on the north and west facing and shaded.

Algae can be killed and the stains removed using chemical cleaners though they usually return over time. Step 5 let solution soak in. Set the nozzle at the highest pressure setting and hold it 12 inches from the shingles. Step 1 cover foliage.

After that mix one part cleaner with six parts water in a pump sprayer. Step 3 mix cleaning solution. Make your shingles last longer. How to clean roof stains wash your shingles where the sun doesn t shine.

Rinse from the top of the roof down to avoid re staining the shingles with the dirty water. Step 4 apply solution. Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose. 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. Do shingles on your north west or other shaded roofs have streaky moldy stains.