Use a pressure washer which can loosen shingles and seriously damage your roof.
Roof shingles cleaning solutions.
Rust oleum zinsser jomax roof cleaner and mildew stain remover is a concentrate that quickly removes black streaks dirt and mildew stains from roof shingles.
When you apply the bleach do not immediately wipe it off.
Kills mold and mildew on.
Pour the mixture into the garden sprayer.
Clean shingles on a cool humid overcast day to ensure that the cleaner doesn t dry too fast on the roof.
Bleach is the best way to clean roof shingles.
Bleach may kill the top layer of algae and lighten the stains but it doesn t kill the underlying algae.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
For extra cleaning power mix in a non ammonia heavy cleaner like tsp.
So the algae colony gets right back to work.
Not for use on metal roofs or homes with out gutters any of these roof cleaning solutions will be effective for removing mildew moss roof algae etc from fiberglass asphalt shingles.
Of laundry strength liquid chlorine bleach and water.
Then mix standard laundry bleach with water.
Wet forget no scrub outdoor cleaner.
Chlorine bleach will effectively kill any mold that is starting to grow and loosen up many of the stains.
There is a time when every roof gets moss mildew or agley due to sun rain and snow.
Sodium hydroxide lye products on the other hand work better than bleach and are less harmful to vegetation.
Spray the cleaner on a section of roof and let it sit for about 15 minutes.
A good efficient roof cleaning formula is 1 gal chlorox 1 gal water 4 oz of dishwashing detergent that doesn t contain ammonia and is safe to mix with bleach and 4 oz of sodium silicate same as sodium metasilicate often available in bags at auto parts stores sold as radiator flush.
To remove it you can try wet forget no scrub outdoor cleaner.
Pick a cool overcast day so the cleaning solution doesn t dry too fast.
To use this roof shingle cleaner correctly you should mix one part of bleach with one part of water.
Rust oleum suggests applying a second application of the jomax roof cleaner on moss or heavy mildew areas and from our experience with this product we feel if this roof cleaning solution is used this to clean anything beside very lightly stained or discolored roof growth you will have to apply several coats many more than what is suggested or leave the solution on the roof for a much longer period than the instructions explain.
If not prevented it will take over the maximum portion of your house.
Use jomax roof cleaner and mildew stain remover on asphalt wood and composition roofs.
Life is dirty clean easy.
Mix the hot water bleach and detergent in the bucket until the soap granules dissolve.
Alternatively industrial roof cleaning chemical roof cleaner qse a work horse cleaner with black algae stain removing power qse.