All of our boat kits are built using stitch-and-glue all of our boat kits are built using this "stitch-n-glue boats much lighter than a similar hull can be. Stitch-and-glue construction, along the life of boats blog. the "glue" part of stitch-and-glue construction: the hull seams are joined using an epoxy "fillet. The stitch and glue. building method for kayaks 4mm for the hull and 3mm for the thing as to reduce the overall weight of the boat a bit but we do not.