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  • sewer smell since new roof

    i had a new roof installed recently. i also had a ridge vent installed, since the roof had no roof vents. since the install, on windy days, i've noticed sewer smells in the house. could there be a connection? should the plumbing vent stacks be lengthened? what to do? thanks in advance.
    steve

  • #2
    Re: sewer smell since new roof

    You have a dead moose that has crawled up there and passed away.Your sewer is fine.

    Comment


    • #3
      Re: sewer smell since new roof

      Originally posted by halfpint View Post
      i had a new roof installed recently. i also had a ridge vent installed, since the roof had no roof vents. since the install, on windy days, i've noticed sewer smells in the house. could there be a connection? should the plumbing vent stacks be lengthened? what to do? thanks in advance.
      steve
      Our codes say plumbing vents have to terminate 10' horizontally or 3' above any opening in to the structure.

      Mark
      "Somewhere a Village is Missing Twelve Idiots!" - Casey Anthony

      I never lost a cent on the jobs I didn't get!

      Comment


      • #4
        Re: sewer smell since new roof

        Check in the attic that the sewer vent is actually conected and not venting in the attic space. Sometimes extending the vent pipe will get the gasses high enough to not bother you. Or you could get a charcoal filter to go on top of the vent pipe. There's other brands but Sweet Air comes to mind right off.
        www.ClinkscalesSeptic.com

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        • #5
          Re: sewer smell since new roof

          I would say lengthen the vents to 3' above the ridge vent.

          Might not be pretty though.

          Comment


          • #6
            Re: sewer smell since new roof

            Complete tear off??


            Make sure the vents aren't packed full of shingles and causing the odor problem somewhere else.

            Comment


            • #7
              Re: sewer smell since new roof

              Originally posted by lmpg View Post
              Complete tear off??


              Make sure the vents aren't packed full of shingles and causing the odor problem somewhere else.
              The common mistake is to assume the odor is sewer gas.
              If you can,open a cleanout or go up over a plumbing stack and
              put your snoot right in the stack or clean out and get a big whiff.Same stink?
              So many times we hear that it is another odor and wasn't sewer gas after all.
              Now go check for that moose while you are up on your roof!
              Last edited by Jay Mpls; 05-11-2009, 09:21 PM. Reason: Moose gas.

              Comment


              • #8
                Re: sewer smell since new roof

                Seen crazier things.

                But in theory this should not happen. Air is supposed to enter the soffit and travel up to the ridge vent. So there should be an almost undetectable slight positive pressure within the attic exhausting out the ridge vent.

                There shouldn't be any gas entering even if it's within a couple of feet of the ridge with normal prevailing winds and the vent system of the attic.

                Add that to the fact that it must enter the attic and then enter the living structure-sewer gas traveling downward-the circumstantial evidence doesn't seem to add up.


                J.C.
                Last edited by BobsPlumbing; 05-11-2009, 11:51 PM.

                Comment


                • #9
                  Re: sewer smell since new roof

                  Originally posted by JCsPlumbing View Post
                  Seen crazier things.

                  But in theory this should not happen. Air is supposed to enter the soffit and travel up to the ridge vent. So there should be an almost undetectable slight positive pressure within the attic exhausting out the ridge vent.

                  There shouldn't be any gas entering even if it's within a couple of feet of the ridge with normal prevailing winds and the vent system of the attic.

                  Add that to the fact that it must enter the attic and then enter the living structure-sewer gas traveling downward-the circumstantial evidence doesn't seem to add up.

                  I tried to keep quiet.

                  J.C.
                  How do You Know He has soffit vents? He didn't say so.
                  I can build anything You want , if you draw a picture of it , on the back of a big enough check .

                  Comment


                  • #10
                    Re: sewer smell since new roof

                    Originally posted by toolaholic View Post
                    How do You Know He has soffit vents? He didn't say so.
                    You are correct. He did not say so. Maybe he'll reply back.

                    J.C.

                    Comment


                    • #11
                      Re: sewer smell since new roof

                      Ill bet JC a dozen wings that a roofer stepped on the vent or broke it while installing a new roof boot! sounds like time for a peppermint test!

                      Comment


                      • #12
                        Re: sewer smell since new roof

                        Halfpint??? No slow drains, bubbling water as it goes down anywhere in the house?

                        Comment


                        • #13
                          Re: sewer smell since new roof

                          Originally posted by toolaholic View Post
                          How do You Know He has soffit vents? He didn't say so.
                          Ridge vent would be kinda worthless without them dontcha think

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                          • #14
                            Re: sewer smell since new roof

                            Originally posted by NAVMAN93 View Post
                            Halfpint??? No slow drains, bubbling water as it goes down anywhere in the house?
                            no slow drains, or bubbling water.

                            Comment


                            • #15
                              Re: sewer smell since new roof

                              Originally posted by Arthur96 View Post
                              Ridge vent would be kinda worthless without them dontcha think
                              i have soffit vents.

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