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What happens to the temperature of asphalt shingles with an insulated roofline and an unvented attic?
Posted by Allison Bailes on October 7, 2010
One of the most common questions I get when I describe homes with insulated rooflines is, "What does that do to the shingles?" Some roofing companies have made a lot of noise about this topic, saying that if the shingles can't conduct heat downward into the attic, their lifetime will be greatly...
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Lumpy attic insulation, poor average R-value
Posted by Allison Bailes on June 28, 2010
My dissertation in grad school was called "Flat or Lumpy." (Of course, it had the requisite incomprehensibility in the subtitle, with words like 'heteroepitaxy.') Those two words in the title, which cut to the heart of what my surface physics research was all about, also describe a property of...
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