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  1. #1
    Join Date
    Oct 2009
    Richardson, TX

    Default Spray Foam insulation costs

    I am thinking of spraying my attice with spray foam insulation.

    How much does it cost per square foot?

    Do I need to completely seal the attic by spraying the floors and underside of the roof? or just the attic floor and let the soffets and whirlybird fans vent the attic?



  2. #2
    Join Date
    Jun 2007

    Default Re: Spray Foam insulation costs

    Chris, I am around Philadelphia, and had this done about 2 years ago. it cost me about $1400. I had just the floor of the attic sprayed. The Guy who came out said by spraying the floor of the attic you creat a barrier so the heat in the house will not rise past that. I have no soffet vents only a Gable vent and fan and 2 small roof vents. I have had no problems and it does seem to help in the winter

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