General Plumbing Requirements

Are S-Traps, Flexible Drains, or Sanitary Tees on Their Back Allowed? (IRC 2018)

Are S-traps, flexible drains, or sanitary tees on their back allowed?

P3005.1

Can a Sink or Toilet Drain Somewhere Other Than the Sewer or Septic System? (IRC 2018)

Can a sink or toilet drain somewhere other than the sewer or septic system?

P2601.1

Can I Backfill Around Plumbing Pipe with Rocks or Construction Debris? (IRC 2018)

Can I backfill around plumbing pipe with rocks or construction debris?

P2604.1

Can I Drill Joists or Studs for Plumbing Pipes? (IRC 2018)

Can I drill joists or studs for plumbing pipes?

P2603.3

Can I Run Water Pipes in an Exterior Wall or Unheated Crawl Space? (IRC 2018)

Can I run water pipes in an exterior wall or unheated crawl space?

P2603.5

Can Plumbing Pipes Touch Metal Framing, Concrete, or Other Materials? (IRC 2018)

Can plumbing pipes touch metal framing, concrete, or other materials?

P2603.4

Do I Need Nail Plates Where Plumbing Goes Through Studs? (IRC 2018)

Do I need nail plates where plumbing goes through studs?

P2603.2.1

Do Plumbing Pipes Need Sleeves Through Concrete Slabs or Foundation Walls? (IRC 2018)

Do plumbing pipes need sleeves through concrete slabs or foundation walls?

P2603.3

How Often Do Plumbing Pipes Need Support Straps? (IRC 2018)

How often do plumbing pipes need support straps?

P2605.1

How Should Plumbing Pipes Through Roofs or Exterior Walls Be Sealed? (IRC 2018)

How should plumbing pipes through roofs or exterior walls be sealed?

P2603.1