The plumbing rooms

One forum for the whole house, one shop one voice — these are its plumbing rooms. Reading is open to everyone; speaking takes a free account on the main site, so an account here is an account everywhere at Journeymen.

Rooms

Code & Adoptions — 0 threads
Which IPC, UPC, or state-written code governs, state amendments, local adoption fights, and the AHJ.

DWV — Drain, Waste & Vent — 0 threads
Drain, waste and vent: sizing, slopes, traps and vents, cleanouts, and the arguments that never die.

Water Supply & Heaters — 0 threads
Supply sizing and pressure, water heaters, expansion, tempering, and backflow.

Gas Piping — 0 threads
Gas sizing, materials, bonding, and pressure testing. Describe the rule or the practice — step-by-step procedures for work that can hurt someone wait for the bench.

Service & Repair — 0 threads
The service side: diagnosis, callbacks, and the fix that held.

Business & Estimating — 0 threads
Pricing, estimating, licensing as a business cost, permits, and getting paid.

From the Field — 1 thread
Everything else from the field.

Latest in the rooms

Welcome to the plumbing rooms — how this side of the house works — From the Field · by Journeymen · 2026-10-31

Reference only. Compiled from the cited official sources as of the date shown; adoptions and rules change. Confirm with the authority having jurisdiction before designing or permitting work.