John here on the west coast of Canada has some cost figures for various core approaches to his 40 trimaran.
“I just got a quote for cedar strip 1/2″ x 11/2” for a $1,05/ lin ft…that $8/sq.ft.
Also FYI here in Canada, 1/2″ H80 divinycell is $4.50/ft…cedar $4.25….and balsa is $2.25/ft
Resin $317.60 – 5gal pail
hardener $142.41 – 1gal”
