Drain Pipes In Concrete Slab

How to cut a concrete floor for new plumbing.

Drain pipes in concrete slab.

When a drain pipe breaks under a slab the pipe must be located and repaired. During new construction the builder installs drain lines and stubs that will connect to future plumbing fixtures before he pours the slab on grade. Building and plumbing a house takes skill perseverance precision and aptitude. Don t ignore this because water leakage under a concrete foundation can cause additional problems.

Before the concrete trucks come the contractor fills in the area over the network of plumbing pipes and drain lines with compacted sand. Below are a some under slab plumbing diagrams that are relatively common. Have your plumber ready to come right away after the fill is spread and compacted under the slab. 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.

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. Plumbing systems in concrete slabs go in before the concrete is poured as they are installed beneath the slab. These plumbing sewer pipes should be checked anytime there had been significant foundation movement or foundation repair. 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.

Under slab plumbing diagrams. You can stub out pipes in a concrete slab easily because the stub out is put in place before the final grade for the concrete slab is prepared but you must be very skilled in making the necessary connections for the pipes. See our pages checking over the concrete slab drain pipes and plumbing in the walls for other items to review and check. Collapsed drain pipes under a concrete slab aren t the end of the world.

Otherwise the ensuing leak could cause damage. 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. This page covers checking the sewer and water pipes in a slab. 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.

He will dig trenches as needed to run the sewer pipes and.