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  1. #1
    Join Date
    Mar 2007
    Location
    Ft. Myers, FL
    Posts
    363

    Default Who needs 6" of clearance for single wall

    Found this today.........

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  2. #2
    Join Date
    Mar 2007
    Location
    Lake Barrington, IL
    Posts
    1,363

    Default Re: Who needs 6" of clearance for single wall

    Single wall? In an attic? There's more than a clearance issue.

    Eric Barker, ACI
    Lake Barrington, IL

  3. #3
    Join Date
    Oct 2003
    Location
    Rockwall Texas
    Posts
    4,517

    Default Re: Who needs 6" of clearance for single wall

    Flue should be double-wall constructed where it passes through a ceiling or roof decking and have a (1) inch clearance from combustible material.

    6" clearance? Not sure what your meaning.


  4. #4
    dick whitfield's Avatar
    dick whitfield Guest

    Default Re: Who needs 6" of clearance for single wall

    Good catch....you saved a life or two that day!


  5. #5
    Join Date
    Mar 2007
    Location
    Ft. Myers, FL
    Posts
    363

    Default Re: Who needs 6" of clearance for single wall

    Maybe I wasnt aware that single wall vent was not allowed in attic, my bad. But as far as the 6" rule as far as I know single wall vent has to be 6" from any combustibles. If anyone can educate me further I welcome it.


  6. #6
    Join Date
    Mar 2007
    Location
    Near Philly, Pa.
    Posts
    1,633

    Cool Re: Who needs 6" of clearance for single wall

    Vent connector clearances:
    gas single walled- 6"
    B-vent- 1"
    Oil single walled-18" unless listing states 9"
    L-vent- 6-9" per listing except for pellet venting
    pellet L vent-1-3" depending upon listing
    wood single walled-18"
    wood double walled close clearance -6"
    No single walled connectors outside the thermal envelope such as attics or crawl spaces. Too much condensation and weaker draft.

    Keep the fire in the fireplace.

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