Posted on October 24, 2018July 17, 2020 by Adam How to Build a Boat – Mix Thickened Epoxy This video explains how to mix epoxy with fillers and additives (such as fumed silica or Cabosil) to create thickened epoxy. Thickened epoxy is commonly used to bond wood to itself and other materials in boat building. Post navigationPrevious post: FRS-12 Solo Skiff Build Part 7Next post: Plywood Suppliers