, the moist blanket will present a lot less and less r-value because the humidity builds. Few this with The reality that fiberglass insulation will not avert radiant heat transfer (Principal source of heat stream) and you may see why fiberglass insulation is not the encouraged insulation for pole barns. https://travishsbkv.post-blogs.com/50414127/local-metal-roofing-contractors-fundamentals-explained