Someone started a horrible rumor that unvented attics are bad…that they melt shingles off roofs. That is ridiculous and proven inaccurate. More than 15 years ago, large scale testing proved that at most, an unvented attic is 7 degrees higher than a vented attic.
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A: A totally vented roof over the R-40 roof. This is normally used in higher end homes that have ductwork and can-lighting systems in the first attic.
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We often get questions like, “Do I really want to seal out all the air in my walls?” and “Can my home be too airtight?” Our answer is that you should bring in good quality air from known sources instead of questionable air quality from unknown sources. When you think of fresh air, you don’t [...]
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