Shellac Under Polyurethane

Please watch our latest video! "A new tool, an old tool, and some innovations | TWW Tools Unleashed" https://www.youtube.com/watch?v=SkxqKyj-LQI --~-- Original post on our site with additional information, plans, questions & comments: http://www.thewoodwhisperer.com/videos/shella… I have heard countless times that you should never put polyurethane over waxed shellac. From books to magazine articles to forums to DVD's, the message is always the same. Even the back of the shellac can itself says not to use polyurethane. Now I have always taken the "better safe than sorry" route, simply avoiding regular waxed shellac. But there have been so many occasions where I have heard of people accidentally using waxed shellac under polyurethane with no detrimental effects. And frankly, I have never heard a first hand account of a terrible finishing disaster using this combination of supposedly incompatible finishes. So what's the deal? To answer that question, I decided to do