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  1. #1
    Join Date
    Nov 2008
    Posts
    1

    Default Fiberglass vs cellulose

    Can someone please tell which one is better and why?
    I want to put more insulation in my attic and am debating between fiberglass and cellulose. Some people said fiberglass is better while others said cellulose; I am very confused!
    I live in Denver Colorado.

    Thanks.

  2. #2
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,797

    Default Re: Fiberglass vs cellulose

    I prefer fiberglass properly installed with bats between the joists and another layer running across the joists. Cellulose, while it does do a great job filling voids, settles over time. You can blow in 6" of cellulose and in just a few years it settles and you end up with about " plus it's a nightmare if you ever get a roof leak. By far the best choice would be closed cell foam. It has a greater R value per inch, fills all voids, seals along joists, and is almost structural.
    Jack
    Last edited by JLMCDANIEL; 11-02-2008 at 10:44 PM.
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

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