Tag: R-value
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Five Types of R-Value
Prime: prime Subtitle: There’s a lot more to insulation than the number on the package Images: We talk about R-valueMeasure of resistance to heat flow; the higher the R-value, the lower the heat loss. The inverse of U-factor. all the time. “I’ve got an R-19 wall,” or “Code requires R-38 in my ceiling.” But what…
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The Fundamentals of Series and Parallel Heat Flow
Prime: prime Subtitle: The R-value of a building assembly depends on how heat can flow through it Images:&…
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The Diminishing Returns of Adding Insulation
Subtitle: A look at the numbers behind this oft-heard expression Images: …