General Finishes' High Performance Polyurethane in Semi-Glossatin is one of the hardest, most durable waterborne polyurethane top coats on the market today. It is non-yellowing and offers easy water clean-up. It contains all the consumer-friendly characteristics of PolyAcrylic Blend. In addition, it contains a UV Stabilizer to protect it from breaking down in sunlight and to protect the underlying stains from fading. Tack free dry time is only 15 minutes. Dry time between coats is 2-4 hours, so you can finish a project in short order. With its pure polyurethane durability, it's a great choice for hardwood floors. One quart.