basic basement toilet, shower, and sink plumbing layout Bathroom Plumbing Supply. 30877d1273805444-tub-plumbing–rough-question-tub-waste-trap.jpg.
Installing the rough plumbing is the most difficult part of putting in a bathroom sink
The rough installation for a sink involves putting in all the pipes, which you won't be able. 1 Plumb a Bathroom Vanity Sink Drain; 2 Install a Plumbing Stub-Out .
After finishing the first two parts of your rough-in bathroom plumbing, move on to this guide to begin installing the toilet and sink.