Boatbuilders: stitch n’ glue vs ply on frame the salty dogs. discussion | directory | kilchis weather | tides |. Glen-l.com. the boatbuilder stitch-n-glue versus plank on frame plywood is the hull of a stitch and glue plywood boat as strong as the hull of a plank on. Stitch-and-glue: watch step-by-step all of our boat kits are built using this "stitch-n-glue" construction. hot melt glue temp frames. 14. glue inside keel seam..