That board needs a base weld. If I was your buddy, I'd buy you a new board. It's the right thing to do IMO. He can take that one, get a base weld and keep it.
^^^what he said. PTEX will get sucked up into the core and make your base pop out. Learned that from experience. Ptex is good for gouges that do not go all the way into the core. Once you hit the core, you need it sealed, which is why you need it welded. The repair should be $30 or so at a shop. Sorry brah.