Hose off and brush all moss loose from your roof shingles.
Getting moss off shingle roof.
The easiest and cheapest way to kill and prevent moss algae is by using a copper sulfate solution.
1 slide a margin trowel under shingles to unstick them from the ones below.
To get rid of moss first carefully scrape off any thick moss without scraping hard on the shingles.
If accumulations of algae or moss are heavy at least some of it should wash off the roof surface right away with the stream from the hose.
Billnovember 19 2017 at 8 04 am.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
But only use cleaners that have no bleach in them the non bleach restorers for decks work well.
You can try brushing off algae and moss with a brush or broom with medium stiff bristles but don t scrub too hard.
A homemade cleaner of one part liquid chlorine bleach to one part of water can also be effective in removing and killing moss that clings to the roof tiles.
Don t be tempted to rush getting the moss off faster by having someone power wash your roof or scrub in the bleach solution or brush or scrape off the moss even though you may find advice on.
You can find copper sulfate at stores like lowes and tru value hardware being sold as root killer dries out the roots so they break away from the sides of the pipe.
In this video this old house general contractor tom silva explains how to remove roof moss and prevent it 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.
Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles.
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.
Watch out this is slippery stuff.
You don t want to separate the mineral granules from the shingles.
2 slide sacrificial zinc strip underneath the loosened shingles.
Work on one small section at a time which allows you better control of the brush and your scrubbing motions.
3 secure the strip with roofing nails.
In the seams use the sharp edge of the scraper like a dental pick to force out the moss.
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.
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.