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Fiberglass Batts and its Real Effective R-Value

Mar 30, 2012 @ 15:34
Over the last 50 years the majority of houses being erected were built with fiberglass batts in the ceilings and walls.  This is unfortunate because fiberglass batts have a low effective R-value.  Effective R-value is a term that describes how well the insulation works once installed in real world situations.  Under the best and ideal… View Article