Hi Ron, mark the 'real' waterline, the LWL (Load Waterline) as on your plan. Then load the boat (in the domestic Test Tank😉) down to that line then you know what she can carry, including any missing deck and superstructure of course! See test I just did for my fish cutter 'Gina 2'. Cheers, Doug 😎 PS: seal and prime the hull when you wish, I do final finishing / polishing when all major internal works are done, and especially after prop shaft tubes and rudder stock are fitted and 'fettled in'. Cheers, Doug 😎 PS Applies just as well to renovations and new builds! BUT more power to your elbow for scratch building 👍
Young at heart - slightly older in other places 😉 Cheers Doug Grant me the Serenity to accept things I can't change, the Courage to change things that I can, and the Wisdom to know the difference!