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  1. #1
    Join Date
    Sep 2007
    South Dakota
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    Does this meet code?

    Here are some pics from a new house that we had to bury some gasline at. One of our competitors is installing a fireplace there. It is a direct vent and the vent runs between the basement ceiling and the upstairs floor. The floor trusses have 24" from bottom to top. The pipe has approx. 3" of clearance all the way around it.

    In South Dakota we do not have inspectors or any local codes. Will this be up to national code when the ceiling and walls are finished and the pipe will be completely concealed?

    This picture is above the bottom of the truss
    Attachment 46682
    This is the pipe coming off the fireplace (can you put a 45 degree elbow right off the top of the fireplace?)
    Attachment 46692
    This is where the pipe terminates outside.
    Attachment 46702

  2. #2
    Join Date
    Aug 2004
    S.E. Pa
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    Cool proper installation?

    You need to get the make, model and serial number then check the installation instructions. If the unit is installed to the listed instructions and there are no local codes that apply, you would be in compliance with all major model codes..... except perhaps that missign fireblocking at the firestop. See IRC 602.8 for acceptable means of fireblocking.

    That support strap appears to have only one fastener to the stud.
    In order to know for sure, you would need to hire a specialized inspector but I'm not aware of any from SD.

    Some mfrs. require special sealants in the pipe joints. Some require the pipe be screwed together at joints. All will have specific parameters regarding rise/ run allowables, location of vent termination, pipe support requirements, etc.


  3. #3
    Join Date
    Oct 2008
    Averill Park, NY
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    Looks good to me. Your install manual will tell you whether or not an elbow is allowed directly off the top of the unit.
    You might wanna seal the firestop with RTV, aluminum tape or tape gasket to prevent cold air penetration.
    It's hard to tell from your pix, but did the installer screw the sections together with "zip" screws? It may not be required, but it might be a good idea to do so...
    YA never know...

  4. #4
    Join Date
    May 2005
    Madison, WI
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    Its simpson duravent pipe. I can tell by the partial sticker that is shown in a photo. You need 3" clearance on the top and 1" sides and bottom (unless the fireplace install manual states more than this).

    Where the pipe exits the house we would use silicone caulk to seal the gap so cold air does not leak in. I imagine it gets plenty cold there?

    Any ceiling area that wont be covered by drywall should have a drywall or plywood lid in it, to separate the vertical space (room) from the horizontal space (floor joist area). The pipe would need to pass through this and have a metal firestop at this point, sealed with silicone if allowed by the manufacturer.

    Hmmm you know where the pipe exists the house it also looks like they used a ceiling firestop and not the wall firestop that comes with cap. Unless simpson changed their wall stop design?

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