61.   Remove all wax, sand the cork with fine paper, restain if necessary, and apply three coats of an oil-based polyurethane varnish.

62.   Q. Does polyurethane varnish have a shelf life, and if so, how long is it?

63.   Q. I have a room of pine flooring and another with pine flooring that is sanded and finished with an oil-based polyurethane varnish.

64.   Q. I put three coats of polyurethane varnish on a newly sanded floor.

65.   Q. I stained some new wainscoting with a water-based stain and finished it with water-based polyurethane varnish.

66.   Q. Some buffoon put polyurethane varnish on the slate floors in the living and dining rooms of the house I am buying.

67.   Sand lightly, and finish the completed birdhouse with either exterior latex paint or polyurethane varnish.

68.   Select an obscure area of the trim and apply one coat of an oil-based polyurethane varnish.

69.   Short of prefinished, unfinished oak can be treated with two or more coats of an oil-based, high-gloss polyurethane varnish.

70.   So, you can sand, and apply several coats of oil-based polyurethane varnish.