How to make a stand-up paddleboard. a stand-up paddleboard will let you walk on water. but plan to do some research on the shape you like and the tools you want to use before you get started.. Stand up paddle board 14 building notes 15 outside fiberglass: flip the hull, round the edges, fill the small gaps and fiberglass the bottom. the bottom fiberglass should cover the bottom in one piece and go up the sides and transom a little bit higher than half way up.. These are the plans for the standamaran stand up paddle board i built in the winter of 2014. a standamaran is a stand up paddle board in the form of a catamaran which results in an extremely stable platform without sacrificing paddle-ability..
