I have just removed most of the external teak off of Cat 30 for restoration, and now ready to put it back. I was wondering if i need to use some kind of caulk, putty, or nothing at all between boat's fiberglass and the restored teak? I have cleaned the area under the teak when i took it off, so the surface is already clean and dry. Teak is restored on both sides (front and back). Any recommendations? Thanks!