Use undiluted polyurethane varnish straight from the can for the second and third coats. After you've wet the entire surface, go back and overlap each stroke across the entire surface, following the direction of the grain. Within 24 hours of applying your seal coat, brush on a coat of finish right from the can.
With your workpiece wiped clean, apply stain, photo below.. Prepare the polyurethane by reducing it about 10 percent with mineral spirits, unless you're using .
Best Ways to Apply Polyurethane. By Thomas. Hand using a rag to wipe polyurethane onto a stool. Polyurethane is. How to Stain and Finish Wood Furniture .
How to prepare wood for subsequent coats of stain and polyurethane, with user- friendly tips and suggestions.