Multiple layers of Foil Faced Polyiso for Flash and Batt

Did the flash and batt with ccSPF and Fiberglass previously on an unvented cathedral. Seems to have worked well.Looking to do another section of the same roof line (this part… Did the flash and batt with ccSPF and Fiberglass previously on an unvented cathedral. Seems to have worked well.Looking to do another section of the same roof line (this part…Read MoreGreenBuildingAdvisor