Hull in fibreglass; internal mahogany bulkheads of fibreglass on the hull; external bulkheads of marine plywood of teak; deck-plane made up of two external layers of plywood and an inside stiffening of 20mm in thickness with an overlay of heart-wood teak staves, all stuck with epoxy and vacuum pressed; boards and external finishing of heart-wood of teak; internal and external mahogany gunwale treated with transparent glossy paint