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Thread: metal gas vent

  1. #1
    cory nystul's Avatar
    cory nystul Guest

  2. #2
    Join Date
    Feb 2008
    Location
    Caledon, Ontario
    Posts
    5,005

    Default Re: metal gas vent

    Nothing wrong with it. Typical gas fireplace vent.


  3. #3
    Join Date
    Mar 2007
    Location
    Spring Hill (Nashville), TN
    Posts
    5,847

    Default Re: metal gas vent

    Looks normal to me.

    Cory, what is it you don't like?

    Scott Patterson, ACI
    Spring Hill, TN
    www.traceinspections.com

  4. #4
    Join Date
    Mar 2007
    Location
    Plano, Texas
    Posts
    4,170

    Default Re: metal gas vent

    The vent looks fine but I question the flashing. Obviously, I can't see everything but it troubles me that I can't see something at the bottom to redirect water to the exterior surface... but then I hardly ever see this installed in lap siding.

    Jim Luttrall
    www.MrInspector.net
    Plano, Texas

  5. #5
    Join Date
    Mar 2007
    Location
    Near Philly, Pa.
    Posts
    1,643

    Default Re: metal gas vent

    http://www.duravent.com/docs/product...2012-sep_w.pdf

    http://www.duravent.com/docs/product/L954_W.pdf see page 9 for installation.

    Ideally, you cut the hole in the wall, flash it with housewrap, window flash tape, etc. then install inside firestop with vent pipe into the penetration, then install the termination so it rests against the housewrap/ flash tape and caulk; caulk top and sides but leave bottom edge uncaulked so it drains. Then picture frame around termination with polymeric trim boards to which siding is butted and not caulked. If the termination is made correctly, it will incorporate a flange across the top that gets flashing tape lapped over for a weathertight seal. The siding cannot protrude so much as to block the air inlets on the sides.

    Keep the fire in the fireplace.

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