On Thu, 11 Dec 2008 20:53:10 -0600, Vic Smith
wrote:

They still have balsa too, I think, but there are boats now using
non-rotting composites for transoms/stringers.

The original question was about Bayliners. The vast majority, of not
all, have plywood transoms and stringers. Some of their bulkeads are
fibreboard.