How To Apply Moss Out On Roofs

The best time to kill the moss is before it releases its spores which means applying moss killer early in the year while the weather is still cold.

How to apply moss out on roofs.

Roundup for lawns 4 ready to use wand 1 gal. To be proactive in moss control treat your roof right before the rainy season each year. As moss dies rains will wash dead moss away. Maintain a consistent flow of moss killer down the line.

Then spray the roof beginning at the ridge and working downward. For flat roofs or roofs that aren t safe to walk on use a liquid formula and a pump style sprayer to cover all the roof surfaces easily. This product can be applied directly from container as a powder. For roofs and structures.

Apply at the rate of 4 lbs. Run the water for a moment until the moss killer begins to flow out. Mix 8 ounces of moss out in 3 gallons of water and apply with a watering can to drench the moss to treat 125 square feet. You can speed the process with a broom or rake too.

Timing the best time to kill moss is in late. Attach strips of zinc 37 the home depot or zinc coated metal flashing strips just below a roof s peak or ridge caps. Liquid formulations provide easy thorough coverage. Apply granules when moss is damp with dew and then lightly water to activate the iron.

For moss thicker than one inch use the higher rate. To apply as spray use a sprinkling can or tank sprayer. When it rains water flows over the metal strips leaching out moss retardant zinc particles which attach to roof shingles and or tiles to stop new moss from forming. Destroying existing moss is done most effectively during times when its growth is most rapid and when rain is not expected for several days.

Mix one part with 19 parts water 6 8 oz in 1 gallon of water. To apply wet moss killer attach the garden hose to the container. To apply dry powder moss killer place an extension ladder against the house and climb to the roof. Apply mixed solution at 0 8 2 5 gallons per 100 ft 2 10 30 fl.

Granular formulations are easy to quickly broadcast over large areas. Dispense the moss killer in lines about 2 feet apart parallel to the roof ridge.