I was trying to avoid framing it out. I dont want to add any more insulation at this time. I just didn't know if I had to leave some space between the USB and foam board. If I had to frame it, could I put the 2x4's flat against the wall (24" OC) or would they have to be on edge?
I wanted to somewhat put insulation in my 24x40 pole barn. It will be for the every now and then working outside when its cold. I have 10' walls with 4x6 posts every 8'. I have put the Rmax (silver on both sides) 1.5" foam boards between the girts. I'm going to use osb between the posts.
My...