Normally I like to brush a very thin coat of 30-minute epoxy over wood. It's simply, reliable, and doesn't have to be reapplied. But this is not possible behind the firewall of the Flip 3D because it's not easy to reach every surface.

Is there any type of fuel-proofing spray that I can simply spray inside the front half of the Flip 3D that will create a solid coat over the wood? I don't want a fuelproofing material that will have to be re-apllied.

If so, what is it called, where can I buy it, and what are the down-sides to it?