sorry for the late reply, just got in.    was just a steel roof, but the wind got hold of it this spring and removed most of it.        it always sweated so we put down a layer of osb, with synthetic roof paper on top, that's what you are seeing.                                               as far as the case tractor it's pretty handy for us, it's a cheaper tractor and it sometimes it's got some glitchy electrical stuff, mostly related to electrical connectors, but it's been dependable.    it's a jx 95