, the moist blanket will present a lot less and less r-value as the humidity builds. Few this with The truth that fiberglass insulation does not avert radiant warmth transfer (primary supply of warmth flow) and you will see why fiberglass insulation is not the encouraged insulation for pole barns. https://kylerkuemv.ltfblog.com/28183913/top-metal-roof-replacements-secrets