The best way to get rid of algae once it s taken hold on your roof is to have a professional roof cleaning team come with a low pressure washer and cleaner that will kill the algae and mold but not hurt the plants and grasses around your home.
How to keep algae off roof.
Roof algae are.
Part 1 making preparations for chemical cleaning.
To keep your roof safe and sightly choose a cool overcast day mix a cleaning solution spray it onto your roof then rinse after 20 minutes.
You can use a roofing tar and a few nails about every 32 inches apart.
Keep roof shingles free of moss algae and mildew.
The copper will change color to a green like grey but that s a lot better looking than all that moss and algae.
With the natural wonders of copper you ll never have to clean green scum off of your houses roof.
Copper and zinc inhibit the growth of algae.
The more the roof is exposed to sunlight the less chance algae have to spread.
If you keep the roof surface wet with the solution for just 20 minutes and then lightly scrub the roof surface the algae will come off with no issues.
You can also install strips of copper or zinc coated sheet material along each side of the roof along the ridge.
For a more enduring solution a strip of copper or zinc sheet metal can be installed on the side of the roof.
8 ways roof algae can affect your roof.
This will allow more sunlight to reach the roof and less water to get trapped there.
Some of this growth including the stains from algae spores are cosmetic but others such as moss cause costly damage to your roof.
If you re trying to sell your home you may run into issues if you have roof algae.
Making sure the flashing lays as flat as it can.
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.
To prevent the return growth of moss or algae cut back any tree limbs that overhang the roof.
Ask the builder host tim carter shares an easy way to keep your homes roof shingles free from moss algae and mildew.
Severely stained roofs may require multiple applications of the stain solver solution.
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.
The trick is to put the flashing under the tab of the shingle as far up the roof as you can.
Since algae prefer to grow in moist shaded areas keep trees around the house trimmed back.