I just gota 1977 suncruiser and for its age doesn't seem in bad shape my question is if I go around the outside of the boat above the water line I can push the fiberglass and it moves a little but below the waterline its stiff and wont budge is this normal it does it all the way around the boat the transom is solid where the outdrive is but above the swim platform same thing I hope its not wood rot all the way around the boat the top deck is solid and I can walk out on the bow its solid just the sides flex above the water line any help would be appreciated
