Quote:
Originally Posted by Talos Woten
Many kinds of insulation are hydrophilic, which long-term degrades their insulation capacity and/or structure. This is a notorious weakness of fiberglass bats. However, in this application, moisture will likely be regularly baked out of the material, so it's less of a factor.
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I remember seeing fiberglass taken out of old fridges looking as if it was rotten, most likely due to moisture and mold growing on it.