Tag: insulation
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How I Fixed My Leaky, Underinsulated Exterior Wall
Prime: prime Subtitle: Rigid foam, spray foam, and fiberglass now give me an airtight, well insulated wall …
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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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More About Global Warming and Insulation
Prime: prime Subtitle: It’s not as straightforward as many seem to believe Images: Well, I really stirred things up with my last article on insulation and global warming. My intention was to explain why Alex Wilson’s results could be doing a disservice to the green building community. In the end, I was rightly accused of…
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The Misleading Numbers Behind the Global Warming Impact of Insulation
Prime: prime Subtitle: An article purporting to quantify this effect has misinformed many in the green building community …
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My Top 10 Building Science and Energy Efficiency Ideas of 2015
Prime: prime Subtitle: A year-end review of the articles and ideas that made me think Images: The year 2015 is almost finished. I’ve written 70 articles in the Energy Vanguard Blog and this one makes 49 here at GBAGreenBuildingAdvisor.com. I’ve been to a bunch of conferences and talked to a lot of people. A lot…