A capable high performance sea kayak built using the stitch and glue method. Intro: stitch and glue kayak. although i had never actually kayaked before, one day i decided to make a stitch and glue kayak. for a non-kayaker i’m not sure why, but. Hi milos, plywood used for kayak on pictures and videos is a regular one. this same non waterproof plywood is used in doubletrouble too. and for more then a 3 years.