This will remove any stains that were loosed up by the oxygen bleach.
Oxygen bleach mix for cleaning asphalt roofs.
It is this very oil tar and asphalt which protect your shingles from the elements.
The results using this method are not instant but if you have more time than money this is.
Another way to clean shingles with bleach is to combine 1 gallon of water with 1 quart bleach and 1 4 cup trisodium phosphate according to today s homeowner.
Of laundry strength liquid chlorine bleach and water.
There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
The diluted bleach cleans most effectively when applied with a pump sprayer and left on the shingles for 15 to 20 minutes.
Step 2 fill the reservoir on a garden sprayer with the cleaning solution.
Which is exactly why you want to remove moss in the first place.
A mixture of trisodium phosphate tsp bleach and water will also remove stains.
Remove roof moss with bleach.
This is the best way to clean a roof if you have asphalt shingles.
Here s an example of how a roof can be cleaned with oxygen bleach.
If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it.
Mix 1 gallon hot water 1 cup chlorine bleach and 1 cup powdered laundry soap into a large bucket.
Allow the oxy bleach mixture to sit on the shingles for about 15 minutes.
Allow the oxygen bleach to sit on the roof for about 20.
This releases the byproducts of oxygen water and soda ash that are non toxic and biodegradable.
Spray a generous coating of the oxygen bleach mixture onto the roof immediately.
Use a garden hose to rinse the stains and cleaning solution from the roof.
Wind sunlight water etc.
Use an extra long paint stirrer or similar item to thoroughly mix the contents together.
Moss and algae breakdown these protective layers shortening the lifespan of your roof.
Chemically oxi clean is sodium percarbonate hydrogen peroxide bonded with natural soda ash gets activated by contact with water.
Wet down the roof with plain water from the garden hose.