Allow the oxygen bleach to sit on the roof for about 20.
Oxygen bleach mix for cleaning asphalt roofs.
Use a garden hose to rinse the stains and cleaning solution from the roof.
The oxygen breaks down organic stains taking your roof back to its original color.
Remove roof moss with bleach.
Step 2 fill the reservoir on a garden sprayer with the cleaning solution.
A solution of equal parts bleach and water safely cleans asphalt shingles according to the asphalt roofing manufacturers association.
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.
It is this very oil tar and asphalt which protect your shingles from the elements.
Wind sunlight water etc.
If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it.
This is the best way to clean a roof if you have asphalt shingles.
Mix 1 gallon hot water 1 cup chlorine bleach and 1 cup powdered laundry soap into a large bucket.
Wet down the roof with plain water from the garden hose.
Moss and algae breakdown these protective layers shortening the lifespan of your roof.
This will remove any stains that were loosed up by the oxygen bleach.
Use an extra long paint stirrer or similar item to thoroughly mix the contents together.
Spray a generous coating of the oxygen bleach mixture onto the roof immediately.
Which is exactly why you want to remove moss in the first place.
There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.
Set the garden hose on the spray setting with the highest pressure water and hold the nozzle close to the shingles when rinsing.
The results using this method are not instant but if you have more time than money this is.
Of laundry strength liquid chlorine bleach and water.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
A mixture of trisodium phosphate tsp bleach and water will also remove stains.
Here s an example of how a roof can be cleaned with oxygen bleach.
Allow the oxy bleach mixture to sit on the shingles for about 15 minutes.