Got Moss? Give this a try. 30 Seconds Spray & Walk Away. Kills lichen, moss and algae on roofs, and other outdoor surfaces. Simply spray it on and walk away. Let the weather do the work for your and erode growth over time. Works on a variety of outdoor surfaces: roofs, pathways, brickwork, concrete, asphalt, driveways, vinyl, and aluminum siding, wood decks, play equipment and other hard surfaces. Carried at Sherwin Williams.
