, the damp blanket will offer considerably less and less r-value given that the humidity builds. Few this with The truth that fiberglass insulation does not reduce radiant warmth transfer (Principal source of warmth circulation) and you may see why fiberglass insulation is not the encouraged insulation for pole barns. https://metalroofers77654.blogproducer.com/35118923/local-metal-roofing-contractors-an-overview