Kenneth wrote:

If you do some reading on any of the boatbuilding groups, or
at the sites of many of the manufacturers of epoxies you
will learn more.

Having built a 55 ft boat with about 25,000 lbs of epoxy, not sure
what a boat building group is going to give me the formulators such as
Gougeon, S3, Jeffco, etc haven't already provided.

What epoxy isn't waterproof?

Cut the bull ****, fish or cut bait.

Lew