Put a layer of glass on the bottom repair area and put resin on the top and the bottom. Doesn't look pretty but it will. I am going to let it harden a few days then start sanding it.
While I was band I decided to work on this a bit...here is what I came up with.
The top surface is near perfect...the paint is shit. Basically I smoothed out the top of it and half ass rattle canned the center of it pbm. This isnt the nice basecoat/ clearcoat / wetsand crap I did before. This was half ass prove that it can last more than 1k miles.
I got mine a while back in Carbon Fiber it looks amazing. It adds so much to the front end of the car. But that coupled with the drop in the front makes it hard to go alot of places. Speed bumps scare the crap out of me now lol.