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Thread: Duct system

  1. #1
    DIY Junior Member Suzcc's Avatar
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    Smile Duct system

    I had my duct work insulated. The seams were sprayed with a product by Dow - called great stuff for gaps and cracks, and then the ducts were wrapped with insulation. Since then, I can't use the system due to a terrible chemical smell when it comes on. I called Dow and they said the product max temperature rating is 240 degrees. The insulation company tells me this is not the problem. Can you tell me if it is the problem?
    Thanks for your help.
    S D
    Last edited by Terry; 09-29-2011 at 01:42 PM.

  2. #2
    DIY Senior Member BobL43's Avatar
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    smacks of
    AFLAC
    I am definitely not a pro plumber, but I am a pro crastinator

  3. #3
    DIYer, not in the trades LLigetfa's Avatar
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    As far as I'm concerned, "Great Stuff" is the wrong stuff to use for duct sealant. Google for low VOC duct sealant mastic.

  4. #4
    DIY Senior Member TJanak's Avatar
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    Is wrapping ducks with insulation like wrapping jalapenos with bacon?
    Travis

    When I need a precise measurement of something I often use the highly technical method of eyeballing it.

  5. #5
    DIY Senior Member BobL43's Avatar
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    Quote Originally Posted by TJanak View Post
    Is wrapping ducks with insulation like wrapping jalapenos with bacon?
    now I'm hungry.
    I am definitely not a pro plumber, but I am a pro crastinator

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