ADOPTS WITH AMENDMENTS:

International Residential Code 2018 (IRC 2018)

Part I — Administrative

Part II — Definitions

Part III — Building Planning and Construction

Part IV — Energy Conservation

Part V — Mechanical

Part VI — Fuel Gas

Part VII — Plumbing

Part VIII — Electrical

Part IX — Referenced Standards

Heads up: There are no amended sections in this chapter.

This appendix is informative and is not part of the code. This appendix provides examples of various venting methods.


User note:


About this appendix: Venting for plumbing systems is often best understood using diagrams such as isometrics. Appendix N illustrates a variety of venting methods indicated in Chapter 31 of this code.

For SI: 1 inch = 25.4 mm.

FIGURE N1

TYPICAL SINGLE-BATH WET-VENT ARRANGEMENTS

For SI: 1 inch = 25.4 mm.

FIGURE N2

TYPICAL DOUBLE-BATH WET-VENT ARRANGEMENTS

For SI: 1 inch = 25.4 mm.

FIGURE N3

TYPICAL HORIZONTAL WET VENTING

For SI: 1 inch = 25.4 mm.

FIGURE N4

TYPICAL METHODS OF WET VENTING

For SI: 1 inch = 25.4 mm.

FIGURE N5

SINGLE STACK SYSTEM FOR A TWO-STORY DWELLING

For SI: 1 inch = 25.4 mm.

FIGURE N6

WASTE STACK VENTING

For SI: 1 inch = 25.4 mm.

FIGURE N7

CIRCUIT VENT WITH ADDITIONAL NONCIRCUIT-VENTED BRANCH

UpCodes Premium
Leverage the most sophisticated code compliance platform.
TRY FREE FOR TWO WEEKS VISIT PRICING