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.

Copper sulphate roof moss.

Copper strips and copper impregnated shingles should be avoided due to copper s toxicity. 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. Zinc and copper sulfate comes dry but can be applied as a powder or mixed with water.

A brownish color indicates the moss is dead. 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. Apply copper sulphate to a roof to kill moss and limit regrowth. Zinc and copper sulfate will not stain patios decks walls walkways buildings or roofs.

See the before and after shots 1 day after fohman applied the 4 copper sulfate to the roof. 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. Copper is roughly 10 25 times more toxic to aquatic life than zinc. The easiest and cheapest way to kill and prevent moss algae is by using a copper sulfate solution.

Copper sulphate kills moss on contact making it ideal for killing moss growing on your roof. The rinsing action should carry most of the moss off the roof although you could need to sweep some patches off with a broom. See the before and after shots 1 day after fohman applied the 4 copper sulfate to the roof. To kill moss add half an ounce of copper sulfate to 10 gallons of water.

Mix thoroughly and then wet the problem moss with the solution.