Using foam board on slant ceiling/roof vs using thicker beams and rockwool

I am building a 12:12 metal roof on a house with a livable loft. The loft has a bit of a gamble shape and the slant part are framed by… I am building a 12:12 metal roof on a house with a livable loft. The loft has a bit of a gamble shape and the slant part are framed by…Read MoreGreenBuildingAdvisor