DeWitt’s Clean-A-Roof • Spray & Rinse Formula (1 Gallon)
Powerful, foamy roof cleaner that tackles algae, moss, and more—without bleach.
Key Benefits:
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Removes tough build-up: Targets black roof streaks, mildew, stains, mold, algae, moss, and lichens using a fast-acting foamy action.
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Versatile application: Safe for all roof types—plus brick, stucco, stone, wood, siding, patios, walkways, RVs, outdoor furniture, decks, and more
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Eco-friendly & safe: Water-based, non-solvent, biodegradable, phosphate-free, non-toxic, cold-water effective, and free from bleach—safe around plants and grass.
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Wide coverage: One mixed gallon cleans approximately 1,500–2,000 sq ft of surface area.
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Works beautifully with Protect-A-Roof: For best and longer-lasting results, follow with DeWitt’s #551 Foamy Action Protect-A-Roof.
Application Guidelines (per Tech Data Sheet):
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Heavy cleaning: Mix 6–10 oz per gallon of water
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Medium cleaning: 4–6 oz per gallon
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Light cleaning: 2–4 oz per gallon
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Apply from the bottom up, allow foamy action to work for 15–20 minutes, rinse from the top down. Repeat or allow up to 30–40 minutes for stubborn areas, and take care when using high-pressure rinsers on shingles.
Additional Information Sheets
DeWitt’s Clean-A-Roof Tech Data Sheet
DeWitt’s Clean-A-Roof SDS