DYE-N-SEAL DNS-400 Sprayable Acrylic Sealer is a fast drying, longlasting, solvent-based lacquer sealer designed to protect and beautify your decorative concrete. It contains complex additives and acrylics not found in any other sealers to provide outstanding UV protection, along with fungicides to help mildew from attacking the coating. Testing has proven that it has a longevity well beyond three years under normal conditions, when applied as directed. It can be used for interior or exterior applications, and is oil and chemical resistant. DNS-400 meets and exceeds VOC rules as written under the Clean Air Act. It contains less than 3.3 pounds per gallon/ 400 grams per liter of Volatile Organic Co pounds as required for a concrete protective coating. DNS-400 can be used on interior or exterior masonry and concrete-type surfaces. DNS-400 can be used as a base-coat for interior applications where a compatible, commercial floor wax is planned as part of a maintenance program. Use on colored or uncolored, stamped or exposed aggregate concrete, porous brick, natural and manufactured stone, stucco, slate, unglazed tile and flagstone.