Wet down the roof with water from the garden hose.
How to remove black roof stains.
In order to remove the black streaking from your roof you will need several items.
The closer you are to the roof stains the better your roof stain removal products will work.
A spray stain remover solution a scrub brush a garden house protective eyewear rubber gloves shoes with tread a bucket and a ladder.
Use a cleaner specially made for killing algae or by spraying a mixture of one part bleach to four parts water with tsp trisodium phosphate or other detergent added in a garden pump up sprayer.
Algae can be killed and the stains removed using chemical cleaners though they usually return over time.
Soft washing when a person wants to prevent the black algae roof stains from forming in the first place soft washing is very effective.
Fill a large bucket with 1 gallon of hot water 1 qt.
So black stains on roofs can be removed just choose a quality roof cleaner product or your local roof cleaning professional and make your roof look better.
Of chlorine bleach and a quarter cup of.
We find that this is the best way to deal with black algae and the unsightly mess that it leaves.
Be sure to have a friend or family member with you to ensure that you are safe while your climb up and work on your roof.
It is important that the roof be wet when the cleaning mixture is applied or it may.