Read This Before You Put Polyurethane Over Thompson’s Water Seal

Read This Before You Put Polyurethane Over Thompson’s Water Seal

Thompson Water Seal is a popular sealant for decks and patios, but can you put polyurethane over it?  There is a lot of conflicting information on whether or not you can put polyurethane over Thompson Water Seal.  This discussion will explore the pros and cons of doing so and help you make the best decision…