How do you apply Varathane water-based polyurethane for a smooth and durable finish?

To apply Varathane water-based polyurethane for a smooth and durable finish, follow these steps:

1. Sand the surface to be coated to ensure it is smooth and free of imperfections.
2. Clean the surface to remove any dust or debris.
3. Stir the polyurethane thoroughly to ensure an even consistency.
4. Use a high-quality synthetic brush or foam applicator to apply a thin, even coat of polyurethane in the direction of the wood grain.
5. Allow the first coat to dry completely before applying additional coats, typically 2-3 coats are recommended.
6. Sand lightly between coats to ensure a smooth finish.
7. Allow the final coat to dry completely before using the surface.