Don -- I built my Merganser last winter using 5.2mm lauan, purchased at Menard's ($6.99/sheet). Need to look for sheets with the plys of equal (or close to) thickness, and be prepared to scrap a sheet/section if too many or big voids. Good luck, Greg

: Hi'
: I want to build a stich & glue kayak and i'd like to know if i really
: need marine plywood, I've seen people using normal plywood, is it
: recommended?

: Thanks
: Don.