"My experience with cellulose began when I started to participate in the state of Massachusetts' home energy programs.
Cellulose was mandated for attics and other spaces. Before this, I had only seen blown-in fiberglass in the new home…"
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Isaiah Borel
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Blown Cellulose VS Blown Fiberglass in the Attic
4 Replies
As a rater and insulation contractor I personally respect the overall insulation properties of blown cellulose a lot more than blown fiberglass. I have taken numerous infrared images in attics with…Continue
Started this discussion. Last reply by Patrick Michaelyan Nov 30, 2011.
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Patrick Michaelyan replied to Isaiah Borel's discussion Blown Cellulose VS Blown Fiberglass in the Attic
Chris Heenan replied to Isaiah Borel's discussion Blown Cellulose VS Blown Fiberglass in the Attic"Oh yeah, I'm a nerd. At big Orange store today and stopped to read Fiberglass blow in package.
And I quote
Another method of insulating your attic is our loosefill insulation. Instead of laying batts or rolls, our…"
Matthew Redmond replied to Isaiah Borel's discussion Blown Cellulose VS Blown Fiberglass in the Attic"Hi Isaiah, Here in upstate NY we primarily use cellulose for blowing attics and dense packing sidewalls.It's cheaper, heavier, and as you noted performs better in single family residences. The one area that fiberglass works better than…"
Sean Lintow Sr replied to Isaiah Borel's discussion Blown Cellulose VS Blown Fiberglass in the Attic"All things being equal & everything being done properly (air sealing, baffles, hatches) - both work fine but cellulose will win out not because of your reasons, but the simple fact that FG R-Value drops the hotter it gets.
Granted you could…"
Isaiah Borel posted a discussionBlown Cellulose VS Blown Fiberglas in the Attic
As a rater and insulation contractor I personally respect the overall insulation properties of blown cellulose a lot more than blown fiberglass. I have taken numerous infrared images in attics with the same R-values, both products cellulose and fiberglass. I find time and time again poor performance of blown fiberglass. The R-values are similar, but cellulose is a much denser product.I was wondering others raters and contractors thought were the same on this topic?In the area I live in (…See More
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- Energy Core, LLC
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- HERS Rater, Licensed Contractor, Realtor
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- Green Building, Real Estate, Energy Efficiency, Residential Solar, Design
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- http://www.energycoreonline.com
Comment Wall (1 comment)
- At 9:17pm on March 11, 2011,
Diane Chojnowski said… Hi Isaiah,
Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!
Don't forget to upload your profile photo. And add your location on our Member Map!
Thanks!
Diane, HEP Moderator
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