HR has delivered some pictures of where the Divinycell is placed during lay-up of the hull and deck/coachroof of the HR342.
The first picture shows a port side lay-up for an HR 342, revealing that the Divinycell extends to well below the waterline. Good for insulation and stiffness.
The second picture is the upside-down layup of the HR 342 deck and coach roof: