Last I heard, Sunsation USED to glass the hull and deck together, but no longer does in their "current" lamination schedule? I think they use something called plexus which is like a glue. Don't know that it is anywhere near as strong as glassing the hull.
I know of one other sunsation hull and deck separated in the same spot. Not enough glue??
Their boats were always VERY well built - just hoping quality isn't sacrificed for quanity and a name. After all, these are "World Class Offshore" Powerboats.