Applying Polyurethane - How to Refinish Hardwood Floors - Project Guide - Bob Vila
11 of 11
Lightly sand between coats of polyurethane with very fine, 320-grit paper. A sanding pole makes it easier on your knees, but hand-sanding allows you to spot embedded debris. Wipe surface clean with a tack cloth or a rag dampened with mineral spirits before proceeding with the next coat.