Once you have you final product, buy a finishing epoxy resin and seal it that way. I had investigated how I would do it before and you can either use Bondo and basically resurface the project or seal it in epoxy
Once you have you final product, buy a finishing epoxy resin and seal it that way. I had investigated how I would do it before and you can either use Bondo and basically resurface the project or seal it in epoxy