With the top rudder tip clecoed on, I rivited in place with 4-4 pull rivits. Some epoxy squeezed out the seem so I just wiped clean.
You can see in pic below the trailing edge rivit that sits proud. I could not get it to sit flush because it hits the rivit on other side. Ill probably drill out and cover up the hole instead of riviting it. It should be just fine with out one there.