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So I recently had a dead cat get into my walls and we had to tear out the primary wet wall in the house between the kitchen and front bathroom (read more about it here)...
Anyways, in the midst of re-framing, it was a good time to look at the plumbing that was done by what I can only gather were some serious drug addicts in the 1970's. It turns out that the back bathroom (adjacent to the front bathroom) has no drain venting!! Since I will be doing some roof repairs at the same time, it's a good time to re-think the location of the vent pipes where they penetrate the roof (since they're too close to the valley for a good seal)...
Here's a look at the old vent pipes for the front bathroom.
So here's the question: Currently the bathroom, kitchen sink, and laundry room each have their own vent. I'd like to tie in both bathrooms (when I eventually GET to working on the back bathroom), and the kitchen fixtures into a single vent pipe that I'm showing below:
Anyways, in the midst of re-framing, it was a good time to look at the plumbing that was done by what I can only gather were some serious drug addicts in the 1970's. It turns out that the back bathroom (adjacent to the front bathroom) has no drain venting!! Since I will be doing some roof repairs at the same time, it's a good time to re-think the location of the vent pipes where they penetrate the roof (since they're too close to the valley for a good seal)...

Here's a look at the old vent pipes for the front bathroom.
So here's the question: Currently the bathroom, kitchen sink, and laundry room each have their own vent. I'd like to tie in both bathrooms (when I eventually GET to working on the back bathroom), and the kitchen fixtures into a single vent pipe that I'm showing below:
