This can be done by having it swept and blown once or twice a year when dry to remove leaves twigs and any dirt particles.
Remove moss from roof baking soda.
My personal favorite is baking soda which is essentially soda ash or sodium carbonate.
I buy the large bags and sprinkle it on my roof one or two times a year as needed to keep the moss down.
Wait for a warm dry day and thoroughly coat the moss with the baking soda solution taking care to avoid spraying nearby plants including any turf grass.
Mix the baking soda and water in a spray bottle and shake until the solution is well mixed.
And don t use laundry detergent that s another favorite home remedy here in the pnw.
Rinse it out well then fill it with the water baking soda mixtures you all have been recommending.
Dirt or particles on roofs can create places for moss to start growing so the primary preventative each year is to clean your roof.
Hook it up to your hose and spray on.
Safely dispose of the contents at your local hazardous waste recycle center hopefully your area has one like ours.
Put the solution in a hand held spray bottle for smaller areas of moss.
After blowing apply baking soda at the ridgeline in late summer.
Buy a bottle of moss off in the spray bottle with hose attachment.
Add 2 to 3 tablespoons of baking soda to 1 quart of water.
Walk around spraying any moss patches with your natural moss killer for lawns.
Repeat applications may be needed to completely kill the moss.
If the moss is not already damp water it to ensure the baking soda powder clings.
Katie stewart a consumer care representative suggested using lemon juice and baking soda or baking soda alone or bar keepers friend a powdered cleaner that contains oxalic acid.
You want to soak the moss so apply enough cover it thoroughly.
Yes it will get rid of the moss but it destroys the protective finish on your shingles that keep the shingles from protecing your roof.
Baking soda is not on the list of recommended substances for moss removal.