Plumbing Under Slab Floor

Let s start with sizing individual plumbing vents.

Plumbing under slab floor.

See our pages checking over the concrete slab drain pipes and plumbing in the walls for other items to review and check. Have your plumber ready to come right away after the fill is spread and compacted under the slab. Because the plumber has no access for installing pipes below the concrete preliminary plumbing takes place before the foundation contractor pours the slab. In the ipc toilet vents are 1 5 in the upc it s 2 inches.

Below are a some under slab plumbing diagrams that are relatively common. He will dig trenches as needed to run the sewer pipes and. During the plumbing slab construction the pipes are buried in gravel or sand beneath the slab and are obviously difficult to access. Concrete slab foundations that encase the home s plumbing lines also called under slab plumbing could have pipes made of copper cast iron or galvanized steel and these materials are prone to decay over time.

Don t ignore this because water leakage under a concrete foundation can cause additional problems. It can also run under sidewalks stoops patios and decks. This page covers checking the sewer and water pipes in a slab. Main sewer line the main sewer line runs beneath the future slab on a gravity flow system.

Under slab plumbing diagrams. Today im going to share with you how i replace old cast iron drain pipes under a concrete slab in a 1958 home. And that s the method of venting we re using to plumb this bathroom. The minimum toilet vent size depends on your plumbing code.