any experience with the Bluwood or Ark Oil wood preservative treatments back there? We've had very good luck with both out here on the left coast.
Ark Oil
Bluwood
if moisture gets past the exterior siding, either product will save the day from the standpoint of rot or mold issues on the plywood, sheetrock or framing lumber/trusses. Some of the local architects and construction permit regs specify one, or the other, on near coastal projects out here.