When you apply the bleach do not immediately wipe it off.
Roof shingles cleaning solutions.
Clean shingles on a cool humid overcast day to ensure that the cleaner doesn t dry too fast on the roof.
Spray the cleaner on a section of roof and let it sit for about 15 minutes.
So the algae colony gets right back to work.
Use jomax roof cleaner and mildew stain remover on asphalt wood and composition roofs.
Wet forget no scrub outdoor cleaner.
Of laundry strength liquid chlorine bleach and water.
There is a time when every roof gets moss mildew or agley due to sun rain and snow.
To use this roof shingle cleaner correctly you should mix one part of bleach with one part of water.
Pick a cool overcast day so the cleaning solution doesn t dry too fast.
Pour the mixture into the garden sprayer.
Life is dirty clean easy.
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.
Kills mold and mildew on.
Use a pressure washer which can loosen shingles and seriously damage your roof.
Alternatively industrial roof cleaning chemical roof cleaner qse a work horse cleaner with black algae stain removing power qse.
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.
Chlorine bleach will effectively kill any mold that is starting to grow and loosen up many of the stains.
To remove it you can try wet forget no scrub outdoor cleaner.
Then mix standard laundry bleach with water.
Tile slate and metal non porous roofs.
Bleach is the best way to clean roof shingles.
One part of proper roof maintenance is cleaning the shingles which you can do yourself in less than an hour.
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.
Bleach may kill the top layer of algae and lighten the stains but it doesn t kill the underlying algae.
This is the best way to clean a roof if you have asphalt shingles.
Sodium hydroxide lye products on the other hand work better than bleach and are less harmful to vegetation.
If not prevented it will take over the maximum portion of your house.
Mix the hot water bleach and detergent in the bucket until the soap granules dissolve.