nwbearcats98
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New house. The basement is stubbed with two vertical drains going into (coming out of) slab for sink and toilet and has a 12" x 12" open square in slab with a 2" horizontal drain (in gravel). BUT there aren't any more PVC pipes for venting. If I paid extra for it to be stubbed shouldn't that include VENTING? By default, venting is a major part of the plumbing system, so I would think if something like stubbing a basement is done for future use, then venting would be part of that package. I guess my question is, can the venting of these items be under the slab as well? If not, how am I supposed to use these to finish a bath now, if they are more than 20' away from the main venting stack for the upper floors?