franz fripplfrappl wrote:
I'm using 2" DWV pipe for bathroom/kitchen sinks and vent. I'm in the
process of constructing the walls. Can I get by with a 2x6" wall or do I
need 2x8"? I will be boring the studs to accommodate the pipe.





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Typically the code restricts the boring or notching of studs based on
bearing or non-bearing. Non-bearing allows 60%, bearing - 40%. Note
that any penetration that is close to the edge of the stud requires a
nail plate as protection for the pipe or wire to prevent nail damage.