Can a trussed roof with loose fill cellulose be unvented AND durable?

My plan was to build a vented, scissor-trussed roof with r-49 loose fill cellulose.  However after hearing Jo Lstiburek (on GreenHome Institute) talk about how venting can actually ADD moisture… My plan was to build a vented, scissor-trussed roof with r-49 loose fill cellulose.  However after hearing Jo Lstiburek (on GreenHome Institute) talk about how venting can actually ADD moisture…Read MoreGreenBuildingAdvisor