Save time when finishing porous woods by starting with Rust-Oleum Zinsser Bulls Eye sealcoat universal sanding sealer. This high-building solution seals the wood to create a surface that can be easily sanded. Contributes to an ultra smooth final finish.Dries lightning fast, can be sanded and recoated in minutesDoes not darken or yellow with ageEasy clean-up with alcohol or ammonia and waterGives extra beauty and warmth to water-based polyurethanes