what Is polyurethane finish?a polyurethane coat (pu coating or even Pu paint) is a superior, tough surface coating that has the ability to offer structural and aesthetic benefits across a wide array of applications. This coating is popular for its resistance erosion, moisture, chemical corrosion, as well as the natural process of aging, polyurethane coatings can be found in a myriad of forms, such as sheets, foam bead, blocks shingles, roofing tiles, and more. Apart from its increased…See More