Tunnel Plumbing Repair in San Antonio: What to Expect with Under-Slab Plumbing Repairs

If you're dealing with plumbing issues beneath your home's foundation, you might need a tunnel plumbing repair. At Goody’s Plumbing, we specialize in this method of accessing and repairing under-slab pipes without destroying your floors. Here's a clear breakdown of the tunnel repair process and what you can expect.

Step 1: Accurate Leak Detection

We start by identifying the exact location of the leak using professional diagnostics. Once we pinpoint the problem, we determine the best spot to begin digging from outside the foundation.

Step 2: Tunnel Excavation Begins

We create a tunnel from the exterior of your home to the affected area. This allows us to access the damaged plumbing while keeping all interior flooring untouched.

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Step 3: Pipe Repair or Replacement

Once the damaged pipe is exposed, we remove and replace it with code-compliant material. The repair is thoroughly tested before we move on to inspection or backfilling.

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Step 4: Required Inspections

Every tunnel job includes two mandatory inspections:

A city plumbing inspection to confirm the repair meets local code

A structural engineer report to verify that the tunnel work has not compromised your foundation

We coordinate both inspections so you don’t have to worry about scheduling or approvals.

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Step 5: Backfilling the Tunnel

After the inspections are passed and the repair is approved, we begin backfilling the tunnel. The soil is compacted as it's returned to restore the area under your home.

Step 6: Final Cleanup

Once the tunnel is filled and sealed, we clean up the worksite, remove debris, and leave your property in better shape than we found it.

Trust Goody’s Plumbing for Tunnel Repairs in Texas

We’ve completed numerous tunnel repairs across San Antonio, Boerne, New Braunfels, and the Hill Country. From leak detection to inspection and final cleanup, we manage the entire process professionally and efficiently.

Call Goody’s Plumbing at 830.837.2810

Or visit ItsAllGoody.com to schedule your tunnel repair evaluation.