How To Kill Green Algae On Roof

If you re trying to sell your home you may run into issues if you have roof algae.

How to kill green algae on roof.

Roof algae are. Bleach is a caustic chemical that can kill your lawn and plants. Attach the strips to the roof using roofing. Moss is a thick organic growth.

What you do is put it into a pump sprayer. A mixture of trisodium phosphate tsp bleach and water will also remove stains. Some homeowners also try to get rid of algae by using bleach. There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.

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. It takes special care to clean algae roof stains and moss off the roof. Most homeowners only realize they have. The only way to take care of it is to use a high base chemical solution like zinc sulfate.

Pressure washing can even tear shingles off your roof. 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. Bleach shouldn t be used either because it can damage your roof. Roof moss removal and algae tips.

Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach. You can purchase sheet metal in rolls and cut it into two to four inch strips. 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. Roof moss removal usually requires a broom or heavy stream of water.

Copper is more toxic to moss and algae but zinc is much less expensive. We ll explain more of that in a bit. One of the first problems homeowners experience with roof algae has to do with appearance. 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.

8 ways roof algae can affect your roof. It does its best to kill it and take away the stains. Here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles. Spray it on the roof and you need to keep the roof wet with the solution for about ten or fifteen minutes.

You should never use home remedies or store bought chemical products to clean algae. Copper strips prevent the growth of moss and algae. It can also rust your downspouts and cause your shingles to shed their protective granules prematurely.