Customer reviews for Gallon M-1 Deck & Roof Cleaner, Cleans Decks & Roofs

This cleaner is designed to clean the dirtiest pine, cedar, redwood, cypress & birch decks & siding; asphalt shingle & cedar shake roofs; and badly stained & oil spotted concrete in the fastest and easiest way possible, removing dirt, grease, tree stains, baked-on pollen, mildew & algae stains, and weathering. It restores original color to your wood and makes asphalt & cedar shake shingle roofs look new. It cleans & whitens concrete, vinyl siding and fiberglas. This product is a concentrate that dilutes 9:1 with water, making 10 gallons and will clean about 2000 square feet. It is water based, nontoxic, biodegradable and contains no solvents, phosphates or bleach. Being free of bleach, it will not harm shingles or bleach wood.