Please advise on this DWV layout

[zenn68]

I am adding a completely new bathroom. Would this layout work?
The blue is 3in
the green is 2 in.
The green goes into the asttic and converts again to 3in then exit the roof.

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thank you

 

[Redwood]

The drawing is no good, critical to venting is how various fittings are used such as tees and wyes which your drawing doesn't show us.

 

[Sponsor]

 

[NHmaster]

I wonder where you get square pipe?

 

[zenn68]

I wonder where you get square pipe?

Home Depot.. Costs a bit more but it doesnt roll on you when you cut it.

 

[Redwood]

Its tough to snake too!