Copper Sulphate Roof Moss Killer

If you collect water from your roof in rain barrels avoid using the water for your vegetable garden.

Copper sulphate roof moss killer. Copper sulfate kills moss on contact making it ideal for killing moss growing on your roof. 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. Various chemicals including copper sulfate are capable of killing moss and limiting regrowth. Have someone not you get on the roof and run a garden hose down the vent pipe and turn the water on.

See the before and after shots 1 day after fohman applied the 4 copper sulfate to the roof. A brownish color indicates the moss is dead. Mix the water salt and vinegar in a bucket and then add as much soap as needed as long as it totals less than 20 percent of the mixture. If the moss is growing in thin layers spraying it with a copper sulfate solution kills it right away and the dead moss can easily be washed off the roof with a hose or pressure washer.

Billnovember 19 2017 at 8 04 am. When the pipe is. Copper sulphate kills moss on contact making it ideal for killing moss growing on your roof. The easiest and cheapest way to kill and prevent moss algae is by using a copper sulfate solution.

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. Soap helps the moss absorb the other ingredients which then work to dry out the moss and kill it if you have any moss on the ground cover it with this solution. Washing down the pipe will remove spider webs and leaves that clog up the pipe. 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.

Copper is roughly 10 25 times more toxic to aquatic life than zinc. Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge. Apply copper sulphate to a roof to kill moss and limit regrowth. 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.

Any chemical that is used needs to be kept out of the stormwater system.