Custom Building Products TILELab Matte Tile Sealer & Finish is a low sheen, protective finish and surface sealer designed for saltillo, terra cotta, quarry tile, slate, and flagstone. This acrylic, water-based finish seals surfaces to resist stains, dirt, and grease while enhancing and beautifying color. It provides excellent scuff, mar, and scratch resistance, making it i for both interior and exterior use. The formula has low odor and will not yellow with age, ensuring long-lasting protection. for clay pavers including saltillo, terra cotta, adobe, cement tile, quarry tile, slate, and flagstone, it comes in a 1/2 gallon (1.89 L) bottle with coverage ranging from 125 to 200 square feet. This product is compliant for use in all states and a shelf life of 24 months. Model Number: TLMTSSHG