Well, the hull should be watertight.. I don’t see any major holes. Anyhow, that’s why there’s pumps!!. I put a coat of clear epoxy on the inside of the hull for two reasons: it stiffens the planks for fairing/sanding the outside and; it waterproofs the inside of the hull against leaks and damage. Inside the … Read more Cullamix – Paint, ballast and completion.