Hi Folks, Newbie here, ready to built first coop. I am in Pennsylvania. My plan is to use a corrugated roofing panel for the roof (have not yet decided on which material, that is a topic for another post). The question is: do I need to insulate under the roofing? All the panels I have seen (metal, poly, ondura) seem pretty flimsy, like they would probably have zero insulation value. Plus I plan to overhang the eaves for ventilation. So if I need to insulate, I could use plywood beneath the roofing. But once I construct a plywood roof, I might as well just shingle it... why bother with the corrugated panel? Otherwise, I suppose I could use the panel with open framing, and fit in rigid foam insulation between the framing, but then I have all the open edges of the corrugation to deal with. So I am undecided at the moment. So: Insulate the roof or not? If yes, then what manner of insulation? Thanks for your advice!!!