Tuition: $800. note: this is a five-day course ending friday afternoon. the “stitch-and-glue” construction method is the easiest way to build a boat, as tens of. Green valley boat works – builder’s notes: making gunwales. the subject of gunwales has also generated a lot of questions, ranging from the simple to the complex, and. Materials used in boat construction: material: notes/comments: wood: easily available in various different qualities (ie. exterior vs marine plywood)..