How do I move plumbing exhaust vent?

[joe979xx]

See the attached file.

I'm installing new kitchen cabinets that extend to the ceiling. Right now the plumbing exhaust vent goes through where there was a wall above the old cabinets. From there it runs into the attic and along the attic floor and up to the roof.

Not that it matters, I think, but it's at the exterior wall of the house. The kitchen window is to the left.

What is the best way to move it?

Thanks,
Joe

 

[Reach4]

Have you considered notching the cabinet? Fill in the drywall. Add insulation in the attic. Restore the vapor barrier before placing the cabinets. The vapor barrier (looks like aluminum for your existing vapor barrier) keeps house moisture from getting into the insulation from inside the house. In cold areas, the vapor barrier goes on the inside of the insulation in the winter vs outside of the insulation where AC predominates over heating. Plaster in the space behind the pipe and in gaps in the drywall to keep fire resistance.

While a vent can be moved, it would need a lot more wall-opening. What you don't want to do is to cut into that structural wood just so that you can maintain no intrusion into the cabinet space.

The vent not only lets air/gasses out, it admits air to let your traps work right. Howcver if you really wanted to be rid of that vent pipe, you could use an AAV (air admittance valve) under the sink. It's not as good as a real roof vent, plus I don't think they are allowed in NYC.

 

[Sponsor]

 

[joe979xx]

I'd rather move it than cut into the cabinet.

Thanks,
Joe

 

[Reach4]

I kinda understood that, but I was thinking that after you study the possibilities, you would find a little intrusion into the cabinet to be less objectionable . In that case, you would need to run the vent horizontally to an inside wall where you could run vertically into the attic.

The solution, in that case, will not be in the area in your photo. What were you picturing?

 

[Terry]

Is that a plumbing vent? Or is that an exhaust for something else?
If it's a plumbing vent only, then you can cut ( drill ) the plates on the top of the wall and run the vent with 90's.