The R Value Myth

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The R value myth: Seems the public belief in R values is misplaced. Having a log home and a framed home of equal size I can attest to the saving in heating costs for the log home. The idea that fiberglass can keep you warm can be tested by wrapping yourself in fiberglass and going outside. In the old days farmers heated a flat stone and put it under their bed to keep warm. The stone held the heat even though a stone has virtually no R value. What a stone (and a log home) has is mass. When mass is heated it has a retention factor. There is no retention in fiberglass.