Now I have just made my first plug mould from polyester. 2 coats of gel coat and 6 layers of cs. Using my mould I want to make my final piece using epoxy resin and mat. What I am unsure is it, is the finish. I will be painting it when it is complete, so should I still use a gel coat, maybe one that is epoxy compatible. or a filler and then paint. I like the idea of a gel coat as it is good for perfecting, but I am unsure going the epoxy route.