So for the last two to three summers I get a very strong sewer smell in my driveway. It only happens when it's summer and hot and is really strong in the heat of the day. Last summer I paid a plumbing company a couple hundred dollars to investigate the smell and they decided to run a smoke test on the vents on that side of the house which are on the edge of my roof by the driveway where the smell is and they said the vents smoked properly. Two plumbers agreed that the smell shouldn't be so strong but said they didn't know what to do. It seems to me that the smell is strongest coming from the attic vents under the eaves which is about three foot from where the pipe vents come out of the roof. I'm going to go in the attic tomorrow and investigate but they mentioned last year maybe one of the vent pipes was broke or disconnected in the wall . I'm also going to run a hose down the vent and make sure it's clean. The only way I can technically get to the vent pipes is to cut out Sheetrock inside the bathroom where the vents are and I'd rather not do that if there is other options that may Fix it. I also thought about dropping a piece of say 3" pbc inside the steel vent that is currently being used to see if it would help if the vent really is messed up inside the wall, is that a thought??? Anyone have any input on what I can look for??
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I would do another smoke test, examining walls and attic at the same time. It should show itself -
When doing a smoke test you are looking for smoke in places it should not be. Seeing it come out of the vents on the roof doesn't mean much.
I'm not sure what to sayComment
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Rent a camera and get on the roof. Drop it down the vent and see if it's broke in the wall.Comment
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