The Corry's 3 lbs. Moss-B-Ware is designed to attack moss on roofs, patios, walkways and other outdoor surfaces and is safe for use on wood, composition, concrete and many kinds of metal. It can either be sprinkled dry or mixed with water based on the needs of your surfaces.Recommended for use in treating structural moss on wood, composition, concrete or metal surfaces with the exception of copperHelps to control moss on roofs, patios, walkways, decks and drivewaysMix with water or apply dry
