We usually assume homes built around the 1920s in cold climates will have inadequate insulation by today’s standards. When and how can that insulation be considered a major failure? Inspecting Older Homes While inspecting older homes like the one shown in Photo 1, we often recommend additional insulation because they were built with limited or no insulation. If you make this recommendation, always note insulation “with proper air sealing.” Photo 1. 1920s Home Needs Insulation I was called out to this home because the owner had ...
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