Introduction: sawfish, an unsinkable, lightweight, foam kayak (23 lbs). free diy kayak plans, the hardware store boat. Stitch and glue boatbuilding method using epoxy is a fast and easy way for a beginners to make a plywood boat. Glue: pl premium, titebond ii, epoxy build overview: first you’ll study the plans and gather your materials and tools. then you’re going to make some major parts.