Oct 26, 2007 · In woodworking epoxy holds a number of uses beyond its adhesive qualities. In this video, we demonstrate a method for filling voids in wood using tinted epoxy. You'll learn how to mix, apply, and smooth a filler that's virtually indistinguishable from naturally occurring flecks of color in wood. The mixture is a low viscosity liquid that penetrates porous surfaces filling and sealing voids with an epoxy that cures to a hard but durable component. PC-Rot Terminator is useful for replacement of missing wood fibers or wood resin. PC-Rot Terminator fills the voids in the wood with an elastomer that has strength greater than wood. Jan 02, 2019 · An alternative is to remove all of the decayed wood. After the fresh surface is coated with an epoxy primer, voids are filled with epoxy paste filler. In this method everything is exposed and you can be sure that what’s left is sound. Of course, you have to step back and solve the initial problem.