Lichen can be a tough growth to remove due to the symbiotic relationship between the fungus and algae.
How to stop moss growing on slate roof.
While this is a popular approach a great deal of time and work must be put in to remove lichen this way.
Simply fill a squirt bottle up with a mixture of bleach and water.
Be sure that you cover any nearby flowerbeds and plants with plastic sheeting.
Make sure you have dressed appropriately for the job.
That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles.
This solution will kill the moss and leave you with the pristine roof you want.
Grab your oxygen bleach solution and apply it to all sections of moss growth.
Get a stiff bristle scrub brush and attach it to the end of a pole if you don t have a random pole hanging around a broom will work as well.
Carefully get up to your roof and brush downward to knock the moss loose.
Potassium salts of fatty acids applied using a hose end spray attachment.
Hose off and brush all moss loose from your roof shingles.
Spray the moss covered roof with a moss control product or sprinkle the material on depending on the product formulation.
Just brushing or raking off moss won t prevent future moss growth and if roof cleaning is not done with care you risk damaging the shingles and reducing the life of the roof.
It doesn t matter which cleaning solution you choose you will get.
Prevent moss from growing on your roof.
Lichen and green moss growth on a slate roof.
It is best to do this on a calm overcast day.
Moss b ware moss b ware is 99 percent zinc sulfate monohydrate a proven moss killer and moss deterrent.
In fact one way to prevent moss from growing in the first place is to attach zinc strips to the ridge of your roof.
Roof treatments to prevent or remove lichens moss include use of metal flashing strips algae resistant shingles or chemical treatments.
Carefully place a ladder near the area of moss growth and don slip resistant.
To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather.
Position your ladder in place.
Follow these three straightforward steps to clean off all moss and keep it from coming back.
Over time as rain falls zinc residue coats the roof to prevent moss growth.
Many people try to remove lichen by brushing and scraping it off with abrasive tools.