On Fri, 23 Jun 2006 21:06:41 -0400, Steve Cramer
wrote:

Although...and this will show how old I am, Hydra used to sell kayaks
made of a foam core polyethylene back in the 80's and early 90's. They
called it HardHull.

Thanks for the info. I recall hearing about canoes (not sure of the
country of manufacture) made of a material called Royalex, which also
sounded like what we are talking about.

It's the thickness of the outer skin that concerns me more than
anything. (How much underside scratching it will take, etc.)

Al D