Needing to pull the daggarboard out for gelcoat fairing.

Questions:
- Looks like some sort of adhesive between base plate and deck. Any thoughts on non-destructive removal?

- recommended sealant between plate and deck when I reinstall?

- when I replace the screws, should I consider bedding in thickened epoxy (assuming they're just screwed into the sandwich material)? If so, will I be able to remove them in the future? Should I wax the screws?