I spent a year on a 38ft carvel planked double ender, great boat but brass screws soon went red from moisture.
I then owned two GRP Endurance 37s, they were better but moisture was still there, if less so than the traditional carvel planked boat.
Supplier of Wooden Kit Boats,CNC design,epoxies,bronze nails,Beech,Ash,Teak,marine and exterior grade plywood,bending plywoods and Flexible veneer sheets. Agents for these and many other companies: North Sails,Harken,Lewmar,Ronstan,Raymarine,Yanmar,International Paints. See also our blog on cars,its another side of what we can do,try this link http://royckdboats.blogspot.com/