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For homeowners in Knoxville, TN, dealing with under-slab plumbing issues, Tennessee Standard Plumbing is your trusted partner for professional drain repair. Our skilled plumbers specialize in everything from slow drainage to major slab leaks.
We use advanced techniques to restore your plumbing system with minimal disruption to your home’s foundation. Get in touch with us today for an accurate estimate and let us resolve your plumbing problems quickly and efficiently.




Your residential plumbing system works every day to move water safely throughout your Knoxville home. When under-slab drains develop problems such as leaks, cracks, or blockages, the effects can be serious. Hidden water damage, foundation concerns, and recurring backups are common when these issues are ignored. Quick DIY attempts may seem convenient, but they often fail to address the source of the problem and can make repairs more difficult later.
At Tennessee Standard Plumbing, we provide residential under-slab drain repair services for homeowners in Knoxville who need dependable, long-term solutions. Our licensed plumbers use modern diagnostic equipment and proven repair methods to locate and fix issues beneath your slab while limiting disruption to your home. The goal is simple. Restore proper drainage while protecting the structure of your property.

If you notice any of these issues, it may be time to call in the professionals:





These symptoms are often linked to problems with your under-slab drains. Ignoring them can result in more severe damage, so early intervention is essential to avoid costly repairs.


If something goes wrong with our workmanship, we make it right—no excuses, no runaround, even if it means covering the cost ourselves.

You’ll always receive multiple options and a clear price before any work begins. Once you approve, that price won’t change.

We respect your schedule. If we miss our arrival window, we waive the service fee.
Addressing under-slab drain issues before they become emergencies can save you time, money, and a lot of headaches. Regular maintenance helps ensure your plumbing system runs smoothly and prevents costly repairs in the future.
Whether you’re scheduling an annual inspection or addressing an immediate concern, our team is here to help.


“ I feel comfortable calling and sending Tennessee Standard in my house to fix a problem. He respected my home just like I do. To us, Tennessee Standard is the gold standard.”
You can get in touch with us by phone or send a message through our website. Once we hear from you, we’ll review the concern and tell you what information we need before an inspection.
After your request comes in, our office checks availability, lines up an appointment window, and lets you know what the visit will include. You’ll have a chance to ask questions before anything is booked.
Yes, we update our website with current offers, and some of those promotions may apply to drain services. Available deals can be found on our website.
Financing is available for qualifying plumbing services, including larger under-slab repairs or trenchless solutions. Details and application access are listed on our Financing page.
Under-slab drain repair fixes damaged or clogged pipes that run beneath a home’s concrete foundation. Repair methods may include leak detection, trenchless pipe lining, or full pipe replacement, depending on the severity of the issue.
Common signs include warm or damp spots on floors, unexplained water bills, gurgling sounds, slow drains, lingering odors, or hairline cracks in tile or concrete. A professional can confirm the leak with camera inspections and pressure tests.
Yes, trenchless methods such as pipe lining or bursting are often effective beneath slabs with minimal disruption. The suitability depends on the pipe material, extent of damage, and available access points.
Common causes include soil movement, corrosion of older metal pipes, root intrusion, mineral buildup, and stress on joints. Improper slope or previous patchwork can also contribute to failures.
Simple spot repairs may take a few hours. Larger repairs requiring pipe lining or replacement may take one to two days, depending on access, drying times, and inspection results.
Not always. Many repairs use existing cleanouts or exterior access. If slab access is necessary, we make small, targeted openings to complete the repair and then restore the area.
Costs vary based on pipe length, material, access, and the method used. Tennessee Standard Plumbing provides upfront estimates after a thorough inspection, so you know the total cost before work begins.
Preventative measures include periodic camera inspections, avoiding the flushing of wipes or grease, using strainers in sinks and showers, and hydro jetting when necessary. Early maintenance keeps pipes clear and extends system life.