Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning.
Moss on my roof shingles.
Scrape off the moss.
Hose off and brush all moss loose from your roof shingles.
As a rule of thumb professionally removing moss will cost about 5 of what it would take to replace your roof altogether.
The cost depends on the size of your roof the amount of moss and the labor rates in your area.
In my experience kill the moss let it die and in a few weeks manually remove the dead moss with a soft cedar shingle it s not easy but it works.
Letting the moss slowly roll down your roof and into the gutters just clogs up the gutters downspouts and underground drains.
By holding moisture against the roof surface lichens but more so moss speed the wear of the asphalt shingle surface in freezing climates by increasing frost damage to the mineral granule.
Moss and lichens are more than a cosmetic issue on many kinds of roofing materials asphalt shingles roll roofing wood shingle roofs wood shake roofs.
Cleaning asphalt shingles of clumps of moss or algae that have taken root in the roof can feel like an overwhelming endeavor.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
There are many ways to remove moss that tends to grow in shaded areas.
Before applying a moss remover cleaner use a scrub brush 3 15 the home depot or a long handled soft bristle brush to gently scrape or pluck moss from the roof shingles or tiles.
A thick growth of moss works like a sponge keeping the roofing damp for long.
Moss which is what shows in the pictures you sent is more worrisome because it can damage asphalt shingles.
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.
Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles.