On Wed, 29 Aug 2007 23:06:28 -0400, "Rodney Taylor"
wrote:

Installing a vanity in master bath that I built myself, i am wondering what
is the best way to protect it from moisture. Considering shellac or
polyurethane any comments or suggestions?



Polyurethane. It's about the toughest finish I can think of at the
moment. Some (bathroom) products are made from alcohol which will
quickly destroy a shellac finish.