Non Slip Polyurethane For Wood Stairs. Polyurethane is a thin layer or covering that gives your floor protection. There are two main points to remember when you are sanding and painting your hardwood floors & stairs:
(1) the quality of the craftsmanship & (2) the quality of the polyurethane. There are two main points to remember when you are sanding and painting your hardwood floors & stairs: Polyurethane is a thin layer or covering that gives your floor protection.
