Non Slip Polyurethane For Wood Stairs. When it comes to best endurance & durability, it is recommended to add 3 coats of polyurethane. Polyurethane is a thin layer or covering that gives your floor protection.
When it comes to best endurance & durability, it is recommended to add 3 coats of polyurethane. (1) the quality of the craftsmanship & (2) the quality of the polyurethane. Polyurethane is a thin layer or covering that gives your floor protection.