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  1. #1
    Join Date
    Jul 2009
    Posts
    1

    Default attic fan vibrations

    i installed a Broan 1600cfm attic fan on my roof, now i hear the vibrations when it runs. the trusses are 2x4, 16 on center. how can i stop or cut down on the vibrations?

  2. #2
    Join Date
    Jul 2009
    Location
    Northeast
    Posts
    661

    Default Re: attic fan vibrations

    If I were you I'd go up there while it's running and see where it's loose and secure it, I don't know how it was installed but you may have to brace it with 2x4 or 2x6. Good Luck!!!

  3. #3
    Join Date
    Aug 2007
    Location
    Maryland
    Posts
    1,699

    Default Re: attic fan vibrations

    You can try to isolate the mounts with some sort of thick rubber or isolation pads. That's the best I can recommend not knowing how it is mounted.
    Good idea to check that everything is tight too.

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