Sealing leaky rivets

[jbm]

It's not a big deal, but I noticed I get a fair amount of water coming through the rivets on my X-13. I want to try to seal them up because when ever I launch through any sizable surf, I end up with a fair amount of water inside.

Does anyone have experience trying to seal up their rivets after the fact? Would just a dab of marine goop on each one do the trick, or should I find something thinner that would flow better into the rivet? I'm afraid a glob of goop on top of a J-hook rivet won't last long.

Thanks for sharing your experience!