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Thread: Insulation type

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  1. #1
    Join Date
    Jun 2007
    Posts
    1

    Default Insulation type

    Is rolled insulation better than blown insulation?

  2. #2
    Alfetta159 Guest

    Default Re: Insulation type

    I've heard blown is better because it works under compression. By rolled, I assume you mean rolled fiberglass which when compressed by even gravity loses r-value. You have to keep fiberglass fluffed.
    By blown, I assume you mean cellulose.

    I would get a more professional opinion, however, and consider other types as well.
    Last edited by Alfetta159; 06-14-2007 at 06:53 PM.

  3. #3
    Join Date
    Jun 2007
    Location
    Chicago, IL
    Posts
    162

    Default Re: Insulation type

    In an open, unobstructed stud bay, there isn't much difference, but in the real world, you don't really have many empty stud bays. Most of them have pipes, wires, electrical outlets & switches, HVAC ducts, etc. Fiberglass batt insulation is hard to fit around these obstructions. Even when carefully installed, you will generally compress the insulation behind pipes & wires, thus reducing it's R value. Blown-in cellulose readily conforms to all of the obstructions, effectively giving you a better overall R value.
    HTH

    Dave

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