Skin glue or stitches? skin glue is often an alternative to stitches. the main advantage of skin glue is that it is quick and virtually painless to use.. Can i use waterproof wood filler on my seams instead of the fillet in a stitch and glue boat helps distribute loads between two plywood panels and serve an. Stitch and glue is a simple boat building method which uses plywood, epoxy glue, and "stitches" and eliminates the need for stems and chines.  plywood panels are.