This is a modular pontoon boat I designed, made from PVC watermain pipe. The PVC pontoons are filled with spray foam (optional)for extra buoyancy. The deck is five sections made from treated lumber. The decks are fastened by ready rod Pvc Conduit, Pvc Pipes, Stainless Steel Bolts, Pvc Pipe Projects, Survival, Diy Boat, Boat Stuff, 3d Warehouse, Pontoon Boat