How To Kill Green Algae On Roof

8 ways roof algae can affect your roof.

How to kill green algae on roof.

It takes special care to clean algae roof stains and moss off the 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. Roof moss removal usually requires a broom or heavy stream of water. It can also rust your downspouts and cause your shingles to shed their protective granules prematurely.

Attach the strips to the roof using roofing. One of the first problems homeowners experience with roof algae has to do with appearance. We ll explain more of that in a bit. There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.

Some homeowners also try to get rid of algae by using bleach. Bleach shouldn t be used either because it can damage your roof. Moss is thick algae is paper thin. Moss is a thick organic growth.

Copper is more toxic to moss and algae but zinc is much less expensive. Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach. Roof algae are. Most homeowners only realize they have.

Brushing should start at the top and work down as going up could mess up your shingles. You can purchase sheet metal in rolls and cut it into two to four inch strips. The only way to take care of it is to use a high base chemical solution like zinc sulfate. Copper strips prevent the growth of moss and algae.

Here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles. The oxygen bleach starts to go ahead and attack the roof algae. Spray it on the roof and you need to keep the roof wet with the solution for about ten or fifteen minutes. 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.

If you re trying to sell your home you may run into issues if you have roof algae. It does its best to kill it and take away the stains. 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. You should never use home remedies or store bought chemical products to clean algae.

A mixture of trisodium phosphate tsp bleach and water will also remove stains. Pressure washing can even tear shingles off your roof. Bleach is a caustic chemical that can kill your lawn and plants.