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A plumbing top out checklist: what is checked before the walls close and the inspector comes

A plumbing top out checklist is the list a contractor walks before the drywall goes on, because everything on it is cheap to fix now and expensive after. The water and drain, waste and vent rough-in complete to the stub-outs; the stub-outs at the heights the fixtures need; the pressure and water tests holding; the strapping, the nail plates and the fire-stopping in; and the inspector's sign-off recorded against the job. The plumbing inspection checklist on this site prints a checklist in that shape with no account.

Rough-in complete to the stub-outs

Every fixture location has its supply stub-outs and its drain and vent, capped or plugged, at the height and offset the fixture will need. The checklist walks the plans room by room and ticks each location; the one missed here is the one cut into finished tile later.

Tests in place and holding

The water system under pressure test and the DWV under its water or air test, both holding for the period the inspector requires, with the gauge photographed against the job. The checklist records the test start, the pressure and the time, because the inspector asks and the photograph answers.

Strapping, plates and stopping

Pipes strapped at the intervals required, nail plates over every pipe within the framing face, fire-stopping at every penetration through a rated assembly. These are the items an inspector fails a top-out on most often, and each is a line on the checklist with a photograph.

The sign-off and the record

The inspection passed and recorded, the inspector's card or sticker photographed, and the whole checklist kept against the job so the trim stage starts from it. RoughInDesk Pro keeps the top-out checklist against the property record; the estimating tool on this site prices the stage.

Questions people ask about plumbing top out checklist

What is top out versus rough-in?

Terms vary by region. Commonly the rough-in is the underground and slab work, the top-out is the in-wall work before drywall, and the trim is the fixtures.

Should the checklist carry heights?

Yes, per fixture, from the plans and the fixture specifications. A generic height on a checklist is a re-cut waiting to happen.

Is the checklist free?

Yes: the inspection checklist on this site prints without an account. Keeping it against the job is the paid product.

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