Going to be for car garage/ workshop. I will insulate and will have some sort of a/c unit as it gets real humid in GA, could use one of those ductless units to do both. I was thinking of either spray foam or foam sheet for insulation. The foam sheet I can do myself. I am looking at no more than 3 span trusses to keep inside open as much as possible, Worldwide says they can do it. Not sure how morton buildings are done, I’ll look more at their site.