S&F REVOLUTIONARY ROOF CLEANER - 4 X 1 GAL *Product Type: Roof Cleaner *Container Size: 1 gal. *Product Form: Liquid *Packaging Type: Bottle *Number in Package: 1 pk *Removes Mildew: Yes *Cleaning Surface Type: Roofs, Shutters, Siding, Decking, Fences and More *Concentrated: Yes *Removes Mold: Yes *Rinse Required: No