Spray and Forget Roof Cleaner 5 Gallon Concentrated Exterior Surface Treatment

Remove green and black stains caused by algae, mold and mildew using Spray and Forget Revolutionary Exterior Surface Cleaning Treatment. No rinsing is required, saving valuable time and it continues to prevent stains with subsequent rainfall. For use on multiple roof types including asphalt, wood, slate and clay/tile. Also works on brick walls, decks, fences, driveways, walkways, siding and stucco.