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Thread: PVC fire rating

  1. #1
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    Default PVC fire rating

    PVC high efficiency gas boiler ( Munchkin ) runs across the garage ceiling before exiting side wall.
    I am reading that a metal or plastic sleeve is required for fire rating through fire wall.
    Yes, no ,ok, thankyou?

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  2. #2
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    Default Re: PVC fire rating

    Quote Originally Posted by wayne soper View Post
    PVC high efficiency gas boiler ( Munchkin ) runs across the garage ceiling before exiting side wall.
    I am reading that a metal or plastic sleeve is required for fire rating through fire wall.
    Yes, no ,ok, thankyou?
    Would not be good going through the wall into from the living space, but the exterior walls is no problem as long as there is at least 5 feet fire separation between that structure and the closest other structure as the exterior wall then does not require any fire-resistance rating.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  3. #3
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    Default Re: PVC fire rating

    I agree, but there has to be a way!
    Especially since they already did it in the house i inspected today
    As i stated, what I have read is that a metal sleeve is required.
    This link is related to C Vac but same difference http://www.suescentralvacuum.com/firecode_001.htm
    I will call local Building dept in AM but just figured I should throw this one into the pond for review.


  4. #4
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    Default Re: PVC fire rating

    Whoa! Time out!

    Either I did not correctly read what you wrote ... or ... you did not correctly read what I wrote - so let's start over.

    You originally said this:
    " ... runs across the garage ceiling before exiting side wall.
    I am reading that a metal or plastic sleeve is required for fire rating through fire wall ... '

    Which does NOT say that it goes through the wall from the living area to the garage. It does, however, say that it goes through the exterior side wall. Then you made a reference to it going "through a fire wall", and, being as there is no "fire wall" between the garage and the living space, but there is a "fire wall" as the exterior wall of the house if the house does not have proper minimum separation from and adjacent building, I addressed that wall.

    Your response said "Especially since they already did it in the house i inspected today" ... okay ... what way did they already do it?

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  5. #5
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    Default Re: PVC fire rating

    Sorry,
    Raised ranch
    Boiler room next to garage at interior, laundrry room. ( that's another oops)
    Condensing boiler added 4 years ago
    PVC vent and intake sent through boiler room wall, into garage, across the ceiling, and out through the exterior side wall of the garage.
    Poor pics no need to post
    PVC breaches firewall in my opinion and wondering what others thoughts are.
    Central vac removed from same garage leaves an open vacume pipe which is also a breach.
    My simple solution would be to add a rated soffitt much like we would do for ductwork.
    Or?


  6. #6
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    Default Re: PVC fire rating

    so i call the local building dept today and they tell me.
    The only requirement in a garage is 5/8 sheetrock.
    ductwork
    recessed lights
    heat
    pvc
    central vac
    you name it
    is OK
    I'll just stick with my opinion


  7. #7
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    Default Re: PVC fire rating

    Quote Originally Posted by wayne soper View Post
    I'll just stick with my opinion
    I would too.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  8. #8
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    Default Re: PVC fire rating

    What about this?

    Precautions should be taken to prevent condensate from freezing inside the vent/flue pipe and/or at the vent/flue pipe termination. It is our recommendation that all vent/flue piping exposed to
    temperatures below 35F for extended periods of time should be
    insulated with 1/2 thick closed cell foam. Also all vent/flue piping
    exposed outdoors in excess of the terminations shown in this
    manual (or in unheated areas) should be insulated with 1/2 thick
    closed cell foam. Inspect piping for leaks prior to installing insulation.

    Dan Cullen
    www.domicileconsulting.com
    Chicago IL

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    Default Re: PVC fire rating

    Texas Inspector
    http://www.texasinspector.com
    What the plainspoken man lacks in subtlety, he makes up in clarity.

  10. #10
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    Default Re: PVC fire rating

    Quote Originally Posted by Aaron Miller View Post
    Aaron,

    You want to put that on a vent and allow it to close the vent off with the boiler operating?

    I suspect that you just forgot to put a smiley face behind that in your post.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  11. #11
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    Default Re: PVC fire rating

    Quote Originally Posted by Jerry Peck View Post
    Aaron,

    You want to put that on a vent and allow it to close the vent off with the boiler operating?

    I suspect that you just forgot to put a smiley face behind that in your post.
    I was fairly certain that the discussion was about a whole-house vacuum duct. Did I miss something? Sure enough, I did. Sorry.

    Besides, we have no boilers here other than what the bartenders concoct.

    Texas Inspector
    http://www.texasinspector.com
    What the plainspoken man lacks in subtlety, he makes up in clarity.

  12. #12
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    Default Re: PVC fire rating

    Quote Originally Posted by Aaron Miller View Post
    I was fairly certain that the discussion was about a whole-house vacuum duct. Did I miss something? Sure enough, I did. Sorry.
    If it was about a whole house vacuum duct of PVC, then all that needs to be done is to seal around the outside of the PVC where it goes through the drywall on the garage side, that fire-stop device is not required as that wall is not a "fire wall".

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  13. #13
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    Default Re: PVC fire rating

    Quote Originally Posted by Jerry Peck View Post
    If it was about a whole house vacuum duct of PVC, then all that needs to be done is to seal around the outside of the PVC where it goes through the drywall on the garage side, that fire-stop device is not required as that wall is not a "fire wall".
    Required, no. Better, yes. In my opinion.

    Texas Inspector
    http://www.texasinspector.com
    What the plainspoken man lacks in subtlety, he makes up in clarity.

  14. #14
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    Default Re: PVC fire rating

    Quote Originally Posted by Dan Cullen View Post
    What about this? Precautions should be taken to prevent condensate from freezing inside the vent/flue pipe and/or at the vent/flue pipe termination.
    Why? Do you make the same recommendation for soil stacks?

    Eric Barker, ACI
    Lake Barrington, IL

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