On Jun 14, 8:27 pm, Bart wrote:
Boat and yacht decks and hulls are commonly cored to
save weight.

What are the various types of core material?

What are the characteristics of each?

Lashes for terse answers. Points for detailed answers.

Bob's 35s5 has a lightweight honeycomb core...made out of re-cycled
cardboard.

Characteristics....tends to swell when exposed to moisture.

Joe