Unlike lacquer, shellac and varnish, which have been around for centuries, polyurethane is a product of 20th-century lab technology. In some ways, polyurethane is better than traditional film coating.

I poured Varathane Super Glaze epoxy on wood and mirrors in a series of DIY epoxy projects that turned out great! This is a cost effective epoxy that is 75 times thicker than a traditional clear ...