How To Kill Green Algae On Roof

It takes the right amount of water pressure and often the addition of professional grade cleaning solutions to truly remove algae and moss from the roof and siding of your home.

How to kill green algae on roof.

What you do is put it into a pump sprayer. The only way to take care of it is to use a high base chemical solution like zinc sulfate. A mixture of trisodium phosphate tsp bleach and water will also remove stains. It can also rust your downspouts and cause your shingles to shed their protective granules prematurely.

Copper strips prevent the growth of moss and algae. The oxygen bleach starts to go ahead and attack the roof algae. Moss is a thick organic growth. If you re trying to sell your home you may run into issues if you have roof algae.

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. Bleach shouldn t be used either because it can damage your roof. One of the first problems homeowners experience with roof algae has to do with appearance. It takes special care to clean algae roof stains and moss off the roof.

Bleach is a caustic chemical that can kill your lawn and plants. You should never use home remedies or store bought chemical products to clean algae. Brushing should start at the top and work down as going up could mess up your shingles. We ll explain more of that in a bit.

One way to clean the roof of algae and moss is with a brush and a little grunt work scrubbing and separating the greens from the roof. Roof moss removal usually requires a broom or heavy stream of water. It does its best to kill it and take away the stains. You can purchase sheet metal in rolls and cut it into two to four inch strips.

Roof algae are. Spray it on the roof and you need to keep the roof wet with the solution for about ten or fifteen minutes. Here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles. There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.

Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach. 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. 8 ways roof algae can affect your roof. Attach the strips to the roof using roofing.

Pressure washing can even tear shingles off your roof. Most homeowners only realize they have. Moss is thick algae is paper thin.