, the damp blanket will supply much less and less r-worth since the humidity builds. Couple this with the fact that fiberglass insulation doesn't avert radiant heat transfer (Major supply of warmth stream) and you may see why fiberglass insulation is not the suggested insulation for pole barns. Metal roofs https://re-roofing66443.kylieblog.com/29260665/not-known-facts-about-re-roofing