As rain crosses the zinc it dissolves a little of it and helps keep the moss away.
How do i keep my roof from getting moss.
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.
Removing moss from shingles.
The quantities are so small that there.
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.
The cost depends on the size of your roof the amount of moss and the labor rates in your area.
A better choice is zinc strips.
Space between the strips.
Regular shingles don t cause the moss to grow but they do allow it 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.
Regular maintenance and cleaning is often enough to keep your roof in a healthy condition.
Happily there are preventive measures you can use to keep your roof moss free.
After you have killed the moss on your roof you must remove the dead moss manually or it will act like a sponge and soak up water further promoting decay.
Less easy but of far greater importance is the next step of removing the dead moss from the roof.
If in doubt it s always best to hire the services of a.
Follow these three straightforward steps to clean off all moss and keep it from coming back.
6 to kill existing moss and lichen make a cleaning solution of equal parts bleach and water.
5 continue installing zinc strips across length of roof end to end leaving a 1 8 in.
These are on average around 3 inches wide and you can nail them a little below the peak of the roof.
8 spray the cleaning solution onto the shingles using a garden sprayer.
Watch out this is slippery stuff.
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.
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.
Both tasks work hand in hand to ensure the longest possible lifespan for your roof.
It will keep the moss off your roof but it will eventually run into the ground water.
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.
However you decide to tackle the moss on your roof be wary of the dangers of working on your roof.
First let the sunshine in.
Once or twice a year give your roof a wash but avoid using damaging pressure washers.