Has anyone used radiant barrier sheathing for a cold roof?

We are adding a cold roof to prevent ice dams on a old house in Wilson, Wyoming.  The air gap will be 2.5″ or 3.5″ using 2x3s or 2x4s on… We are adding a cold roof to prevent ice dams on a old house in Wilson, Wyoming.  The air gap will be 2.5″ or 3.5″ using 2x3s or 2x4s on…Read MoreGreenBuildingAdvisor