Copper Sulphate Roof Moss

Copper sulphate kills moss on contact making it ideal for killing moss growing on your roof.

Copper sulphate roof moss.

The copper sulfate solution will only kill the moss if it s allowed to remain on the moss for 24 hours prior to any watering including rain. The rinsing action should carry most of the moss off the roof although you could need to sweep some patches off with a broom. Mix thoroughly and then wet the problem moss with the solution. Copper strips and copper impregnated shingles should be avoided due to copper s toxicity.

Copper is roughly 10 25 times more toxic to aquatic life than zinc. Zinc and copper sulfate comes dry but can be applied as a powder or mixed with water. To kill moss add half an ounce of copper sulfate to 10 gallons of water. You can find copper sulfate at stores like lowes and tru value hardware being sold as root killer dries out the roots so they break away from the sides of the pipe.

The easiest and cheapest way to kill and prevent moss algae is by using a copper sulfate solution. See the before and after shots 1 day after fohman applied the 4 copper sulfate to the roof. Spray copper sulfate over the moss affected roof using a garden or hose end sprayer blending and applying the material at a rate of 1 4 to 1 2 ounce of material per 10 gallons of water. The sight of moss growing on a roof lends a house a romantic old fashioned air but the moss can lead to leaks and structural damage.

However zinc and copper sulfate may react with red bricks. This product reacts electrolyticallly with water to stimulate a slow release reaction. Allow it to sit for 10 to 20 minutes and then rinse the solution off the roof with water. While moss on your roof or driveway is a common problem in our region some moss removal methods can pollute our streams lakes and wetlands and harm fish and plants in our waterways.

See the before and after shots 1 day after fohman applied the 4 copper sulfate to the roof.