It may cause standing water.
Moss on roof shingles treatment.
Use a sprayer carefully as it.
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.
Hose off and brush all moss loose from your roof shingles.
Stop roof algae from coming back 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.
It is best to do this on a calm overcast day.
Continue layering the solution as needed to keep the moss damp for 20 minutes.
Hose off and brush all moss loose from your roof shingles.
Apply w ith a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water.
Roof treatments to prevent or remove lichens moss include use of metal flashing strips algae resistant shingles or chemical treatments.
Climb up to the roof and begin scraping off dead moss from the shingles using a putty knife or painter s 5 in 1 tool and working from the bottom up.
You can cut strips of zinc flashing copper and lead work too and slide them under a course of roof shingles to kill lichen and moss growing there or you could just buy these premade strips from shingle shield.
The premade ones are much quicker and probably neater looking.
Moss killers are most effective if applied when moss is actively growing and no rain is anticipated for several days.
In the seams use the sharp edge of the scraper like a dental pick to force out the moss.
A high pressure water sprayer can prove very effective at removing moss and other debris.
Apply a storebought or diy cleaning solution to remove the moss.
Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles.
Moss can be removed physically with water and a stiff brush on a pole or a scrub brush chemically or a bit of both.
Carefully get up to your roof and brush downward to knock the moss loose.
Carefully place a ladder near the area of moss.
The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water.
Chemical treatments may harm shingles as well as moss creating a more significant problem.
Experts recommend that you save roof moss removal for a cloudy day.
This is oof cleaning products which should be left to absorb into the moss for at least 20 minutes will not evaporate as quickly as they would on sunny days.
Dead moss must still be removed by hand or it will impede the flow of water off the roof and create issues.