Place one segment of the epoxy resin into one bowl, and the other segment into the other bowl. Mix the two parts of epoxy together into a third bowl using a popsicle stick to stir.
Add one part of colloidal silica for every five parts of epoxy to the mixture. Stir until blended.
Use this epoxy mixture to spread onto areas that need a high amount of contouring or shaping. This epoxy is ideal to repair wood molding, wood columns and other items with a high level of detail.
Mix the two parts of the epoxy resin together in a bowl. Stir until well blended.
Add two parts of sawdust for every five parts of epoxy. Stir the mixture together until the sawdust is completely blended into the epoxy.
Use this mixture as a filler for holes and other crack repairs. This filler also works well for wood rot repairs. The sawdust in the epoxy gives the patch a similar texture to the original material, creating a more seamless appearance.