Here is step by step instructions for how to build a layout boat for waterfowl hunting. with the right plans on how to build a layout boat,. D.i.y. plans for the best layout boat ever. free pontoon boat plans yes please build me one canoe, kayak, and other boat plans for the amateur boat builder.. I recently began building this layout boat. my plans say 2 gallons but i wand to make sure its good and sealed from the inside..