Mr Jerry

Actually vents are intended to be brought to the exterior unless there is not a possible point to do so. No, there original intent was not even for homes but were used in mobile homes and then accepted to be used in places like I mentioned above. If you have clear access to vent a plumbing vent to the exterior then it should be done. The vent you see in that attic is half *** work. They were able to bring it to the attic they should have continued it on to the exterior.

Did I just state code, no. I stated common good building practise.

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Ted Menelly
"Castle"
Home Inspection Services