Remove Mildew From Roof Shingles

Step 4 take precautions.

Remove mildew from roof shingles.

Fill a handheld pump sprayer with the solution and apply it to the moldy shingles only. In a two gallon bucket create a cleanser composed of 1 4 chlorine bleach and 3 4 water. Allow the oxygen bleach to sit on the shingles for 20 minutes. Then add one tablespoon of trisodium phosphate tsp and mix well.

If you ve had experience with mold and mildew in the home you know the best mildew remover is chlorine bleach. How to clean mold off a roof. No pressure washers please. Never use a.

Mix 1 part bleach to 3 parts water and apply to the mildew covered area with a hand pump sprayer. Cleaning step 2 make and apply the bleach solution. But outdoor heavy duty cleaning usually calls for more heavy duty mixtures such as tsp and chlorine bleach see the tsp page for more details or specialty additives such as jomax from rustoleum which combines a cleaner with a bleach activator. Allow the solution to soak into the shingles for at least 15 minutes.

Rinse from the top of the roof down to avoid re staining the shingles with the dirty water. Spray all the plants growing near your house with water and this will help protect them from any damage caused by the chlorine bleach. Set the nozzle at the highest pressure setting and hold it 12 inches from the shingles. They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done.