Preventing Butyl Tape from oozing out

billie b wrote:
Can butyl tape on the outside seams be sealed with a larger caulk joint so it does not ooze out?

My experience says "no"

Here's my experience: I bought a used travel trailer last year. it was a 2015 model. It had oozed a lot in the 3 years it sat outside at the previous owner's house.

I cleaned up the ooze, then caulked over it last year. This year it oozed through the new caulk I applied.

EPIC FAIL.