DeWitt’s Protect-A-Roof is used after cleaning roof with DeWitt’s Clean-A-Roof (Step 1). DeWitt’s safe, non-solvent, biodegradable (no bleach, chlorine hydroxides) formula prevents algae, moss, mildew, fungus, mold and lichens. Protect-A-Roof also works up to two years to prevent growth from coming back. Easy to use. No rinsing needed. Keeps surfaces looking like new and prolongs life.
Mixed gallon of concentrate covers 1500-2000 square feet.
DeWitt’s Protect-A-Roof Tech Data Sheet
DeWitt’s Protect-A-Roof SDS