Applying polyurethane to cabinets.. In addition to this exceptional durability, polyurethane is easy to put on; fairly fast-drying; super-resistant to chemicals and. Sanding also makes it easier to tell where you applied the subsequent coat.
Recoat within 2 hours. If unable to do so, wait a minimum of 72 hours, then lightly sand and recoat. Apply at least three coats on unfinished wood and two coats on surfaces already finished.
Thomas asks, "I put polyurethane on cabinets after I stained them.. Polyurethane finishes should dry hard in a matter of hours and not bleed oil as yours is .
Use this guide to learn more about choosing and using polyurethane, the toughest of the clear finishes.. The length of time a poly should be usable after you open the can.. Good for: Cabinets, floors, furniture, and trim such as wainscot, where abrasion. Thick ones take longer to dry and are more likely to drip or wrinkle.