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  1. #1
    Ken Milton's Avatar
    Ken Milton Guest

    Default Flue against roof sheathing

    I inspected a house today and this flue from the water heater was against the roof sheathing. I believe it needs a 1" clearance. Any help would be appreciated.

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  2. #2
    Join Date
    Mar 2007
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    Philadelphia PA
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    Default Re: Flue against roof sheathing

    Quote Originally Posted by Ken Milton View Post
    I inspected a house today and this flue from the water heater was against the roof sheathing. I believe it needs a 1" clearance. Any help would be appreciated.
    If that's single-wall pipe, which it looks like, it needs six inch clearance.

    "There is no exception to the rule that every rule has an exception." -James Thurber, writer and cartoonist (1894-1961)
    www.ArnoldHomeInspections.com

  3. #3
    Ken Milton's Avatar
    Ken Milton Guest

    Default Re: Flue against roof sheathing

    Thank you. It is single wall.


  4. #4
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    Mar 2007
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    Chicago, IL
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    Default Re: Flue against roof sheathing

    Assuming that's an attic, can't be single wall in any case.


  5. #5
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    Mar 2007
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    Orlando, FL
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    Default Re: Flue against roof sheathing

    I see dryer lint there, are you sure it's the water heater flue?


  6. #6
    Join Date
    Mar 2007
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    Knoxville, TN
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    Default Re: Flue against roof sheathing

    Good point Dom! I have also seen bathroom and kitchen vents exhaust like that.
    Michael,
    How about in a house that was built before double wall vents were made?

    JF


  7. #7
    Ken Milton's Avatar
    Ken Milton Guest

    Default Re: Flue against roof sheathing

    Thank you guys for all your advice. It is not dryer lint, it is blown insulation. Yes it is the water heater vent. I put in the report that it might be a single wall and that the clearance were not correct.


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