Drain Pipes In Concrete Slab

This page covers checking the sewer and water pipes in a slab.

Drain pipes in concrete slab.

Building and plumbing a house takes skill perseverance precision and aptitude. Otherwise the ensuing leak could cause damage. At this point you will no longer see the horizontal drainpipes and the main sewer line but you will see the stubs that extend vertically out of the sand. During the plumbing slab construction the pipes are buried in gravel or sand beneath the slab and are obviously difficult to access.

During new construction the builder installs drain lines and stubs that will connect to future plumbing fixtures before he pours the slab on grade. See our pages checking over the concrete slab drain pipes and plumbing in the walls for other items to review and check. 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.

The good news for you is that there are modern alternatives to repairing the cast iron drain pipes under your slab without having to excavate through the floor or digging from outside of your property. When a drain pipe breaks under a slab the pipe must be located and repaired. Below are a some under slab plumbing diagrams that are relatively common. These plumbing sewer pipes should be checked anytime there had been significant foundation movement or foundation repair.

Have your plumber ready to come right away after the fill is spread and compacted under the slab. As distressing as this news might initially be however it s no longer the end of the world thanks to advances in composite resin technology which occurred as we waved goodbye to the 20th century. Before the concrete trucks come the contractor fills in the area over the network of plumbing pipes and drain lines with compacted sand. Plumbing systems in concrete slabs go in before the concrete is poured as they are installed beneath the slab.

It s also much less money to do the trenchless pipe repairs than by digging for pipe replacement. He will dig trenches as needed to run the sewer pipes and. Under slab plumbing diagrams. But before you can even pour the slab the building inspector must first approve and sign off on the drain waste vent or dwv system.

The concrete slab covers the sewer drain pipes located under the slab.