Alas, birch ply is a poor material for boatbuilding.
Birch is not the least bit decay resistant and i've never seen a birch ply
made with water resistant glue.
Save it for furniture and cabinets.

"Joe Pal" wrote in message
news:IpZ2f.30711$A52.21867@trnddc02...
Birch plywood boat: http://mysite.verizon.net/res1frj8/index.html