As I said on your new thread, I don't
Posted by: g2d on Mar-20-13 1:58 AM (EST)
think that is a fiberglass boat. The inside texture in areas where the paint has been worn off is not consistent with fiberglass. Maybe it is an early effort at a "thermoformed" or acrylic kayak.
Others may wish to offer reasons why it "is" composite or fiberglass.