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.
How to get moss off roof shingles.
You can remove moss and lichens from your roof by using vinegar as a environmentally friendly weedkiller.
4 apply a dab of sealant to every nail head and run a bead of sealant under each shingle.
A thick growth of moss works like a sponge keeping the roofing damp for long periods and it can lift edges of shingles making them vulnerable to blowing off in a windstorm.
Pressure washers can be very strong and certainly strong enough to break a shingle s adhesive and lift it up.
But that would only make sense if the shingles were worn out.
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.
Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles.
However scrubbing is likely to damage the asphalt shingles and remove their granules.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
You may be tempted to scrub the moss off the shingles because moss grips shingles quite strongly.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
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.
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.
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.
Hose off and brush all moss loose from your roof shingles.
You can apply the copper solution to new roofs to prevent any growth for a number of years.
7 protect nearby shrubs and lawn with plastic tarps.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
5 continue installing zinc strips across length of roof end to end leaving a 1 8 in.
Space between the strips.
Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning.
Cleaning asphalt shingles of clumps of moss or algae that have taken root in the roof can feel like an overwhelming endeavor.
Scrape off the moss.