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.
How do i keep my roof from getting moss.
Once or twice a year give your roof a wash but avoid using damaging pressure washers.
Follow these three straightforward steps to clean off all moss and keep it from coming back.
Space between the strips.
A layer of green moss might look cozy and rustic atop your house but it can be bad news for your roof.
If you do decide to use a power washer to clean the moss off your roof make sure the pressure washer is set on the lowest pressure setting to avoid damaging your roof.
As a rule of thumb professionally removing moss will cost about 5 of what it would take to replace your roof altogether.
If in doubt it s always best to hire the services of a.
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.
Both tasks work hand in hand to ensure the longest possible lifespan for your roof.
The cost depends on the size of your roof the amount of moss and the labor rates in your area.
That s probably what mom had on her roof before jim re shingled.
To get rid of moss first carefully scrape off any thick moss without scraping hard on the shingles.
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.
A better choice is zinc strips.
Less easy but of far greater importance is the next step of removing the dead moss from the roof.
Regular maintenance and cleaning is often enough to keep your roof in a healthy condition.
First let the sunshine in.
Trim branches overhanging your roof keep gutters free of debris and regularly remove moisture collectors such as leaves branches and seedpods that pile up on the roof and encourage moss to grow.
Using a power washer on a roof is a personal choice however you can read my guide called should i use a power washer on my roof to learn about any potential problems caused by.
5 continue installing zinc strips across length of roof end to end leaving a 1 8 in.
Happily there are preventive measures you can use to keep your roof moss free.
The quantities are so small that there.
As rain crosses the zinc it dissolves a little of it and helps keep the moss away.
8 spray the cleaning solution onto the shingles using a garden sprayer.
These are on average around 3 inches wide and you can nail them a little below the peak of the roof.
It will keep the moss off your roof but it will eventually run into the ground water.
Regular shingles don t cause the moss to grow but they do allow it to grow.