It is this very oil tar and asphalt which protect your shingles from the elements.
Bleach to remove moss from roof.
Chlorine bleach will kill roof moss but when you rinse if off the roof it may kill the plants growing alongside your house too.
Use the bleach water solution a second time on your roof or concrete along with a scrub brush.
Moss treated with bleach will die but it can return later.
Wind sunlight water etc.
This will remove any stains that still remain because of the moss.
If your moss problem is extensive and you plan to use a large quantity of chlorine bleach bear in mind that it will accelerate the corrosion of your metal gutters and downspouts.
Moss and algae breakdown these protective layers shortening the lifespan of your roof.
You also can make your own moss remover in a large spray bottle with one of these four diy recipes.
Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt.
What bleach does to your roof.
Which is exactly why you want to remove moss in.
8 ounces dawn ultra dish soap 2 gallons of water 1 pound powdered oxygen bleach 2 gallons of.