Formulated to work best as a first coat, because it is easy to sand. It also seals the wood with one coat. Speeds up finishing because it dries fast. One coat will seal hardwood, softwood, plywood, particleboard and Masonite. Non-toxic when dry. Brushable. Dry in 30 minutes. Ready to sand in 1 hour. Covers 400 - 500 sq. ft. per gallon.