Any problems with rigid foam on interior of roof rafters?

I am building a new home in the upstate of South Carolina which is climate zone 3a.  It is a 1 1/2 story house (please no complaints… it is what… I am building a new home in the upstate of South Carolina which is climate zone 3a.  It is a 1 1/2 story house (please no complaints… it is what…Read MoreGreenBuildingAdvisor