Discover the key differences, pros & cons, and tips to choose the best finish for your woodworking project. · oil- based polyurethane is slightly more durable than water - based options (it typically keeps looking intact for 7–10 years). Well help you decide. · compare water - based vs oil- based polyurethane — durability, color, drying time, and more. Opting for this option would mean a less frequent need to refinish your floors. Whether refurbishing stair railings or finishing floors, trim, or doors, learn the differences between water- based and oil- based polyurethanes and which one to choose. · find out which finish is best for your project, water - based or oil- based polyurethane. Both are durable and good-looking, but there are differences. On the other hand, water- based polyurethane can last anywhere between three and five years. However, if you’re not confident about your skills or prefer to work slowly, water- based poly isn’t for you. · oil vs water based polyurethane : · oil- based and water - based polyurethanes are two versions of the same type of protective finish. Find the perfect finish for your wood project. · while water based polyurethane costs a bit more than oil- based polyurethane , the prompt application means you finish the job quicker and get paid faster. It also doesn’t change the color of the wood as much as oil- based polyurethane , and it is more resistant to yellowing over time. · water- based polyurethane is better than oil- based because it dries faster, has no strong odor, and is easier to clean up with water.