4 apply a dab of sealant to every nail head and run a bead of sealant under each shingle.
How to get moss off roof shingles.
5 continue installing zinc strips across length of roof end to end leaving a 1 8 in.
Scrub shingles 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.
You can apply the copper solution to new roofs to prevent any growth for a number of years.
6 to kill existing moss and lichen make a cleaning solution of equal parts bleach and water.
7 protect nearby shrubs and lawn with plastic tarps.
But that would only make sense if the shingles were worn out.
Scrape off the moss.
Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning.
There are many ways to remove moss that tends to grow in shaded areas.
You may be tempted to scrub the moss off the shingles because moss grips shingles quite strongly.
Always work from the top of the roof downward to ensure water pours off the roof and so the water or tools won t lift and break shingles and tiles.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Hose off and brush all moss loose from your roof shingles.
Pressure washers can be very strong and certainly strong enough to break a shingle s adhesive and lift it up.
However scrubbing is likely to damage the asphalt shingles and remove their granules.
Moss and green algae require dead organic matter for nutrients so you can prevent their growth by blowing off the shingles to remove junk from trees that tend to accumulate between the tabs.
You could replace all the roofing with new shingles dark enough to disguise the staining or with shingles laced with copper granules which are lethal to algae.
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.
Space between the strips.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles.
You can remove moss and lichens from your roof by using vinegar as a environmentally friendly weedkiller.
The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.