NRPP CERTIFIED: 111871-RMP & 115029-RMS

Serving Knoxville, Oak Ridge and All of East Tennessee

Rn86 Solutions Commercial and Residential Testing and Mitigation Services.

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My Radon Test Failed: The 48-Hour Action Plan for Knoxville Homeowners and Realtors

Before and after radon mitigation installation in Knoxville by Rn86 Solutions showing professional color-matched downspout vs unfinished PVC.

In the fast-paced Knoxville real estate market, few things stall a closing faster than a radon test result coming back above the EPA’s action level of 4.0 pCi/L. Whether you are a homeowner preparing to sell or a Realtor representing a frustrated buyer, a "failed" test can feel like a deal-killer.At Rn86 Solutions, we named our company after the atomic symbol (Rn) and atomic number (86) of Radon because we believe in the science of mitigation. A high reading isn't a catastrophe—it’s a solvable engineering problem. Here is your 48-hour roadmap to keeping your home safe and your real estate transaction on track.

Hour 0–24: The Professional Assessment

The biggest mistake people make after a failed test is calling a general handyman. In the Tennessee Valley, our unique geology—specifically the Knox Dolomite and heavy, tight clay soils—makes radon mitigation more complex than just sticking a pipe in the floor.

Why a "Quote" Isn't Enough

Most companies will give you a price over the phone. At Rn86, we offer a 48-hour onsite quote guarantee. Within two days of your call, a specialist will be at the property. Why? Because we perform Diagnostic Pressure Field Extension (PFE) Testing before we even write the bid.

PFE testing involves drilling small pilot holes to measure the airflow beneath the slab. This ensures that the vacuum created by the fan will actually reach the furthest corners of the foundation. Without this step, you are just guessing—and a guess won't pass a clearance test.

Hour 24–48: Designing for Performance and Aesthetics

Once we understand the "communication" of the soil beneath your home, we design a system that meets three criteria: EPA Compliance, System Longevity, and Curb Appeal.

1. Superior Materials

While DIYers and low-bid handymen often use thin-wall drainpipes that can crack or vibrate, Rn86 uses Heavy-Duty Schedule 40 PVC. Our systems also include Audible System Alarms to immediately notify the homeowner if the vacuum pressure drops.

2. Preserving Your Home’s Beauty

Knoxville homeowners take pride in their homes. You shouldn't have to choose between lung health and curb appeal. We offer:

  • Color-Matched Painting: We can paint the exterior components to match your siding or trim.
  • Downspout Aesthetics: Utilizing specialized downspout-style piping to blend into the gutter system.
  • Internal Routing: Whenever possible, we route systems through garages or attics to keep the exterior of the home pristine.
The Rn86 Difference: Professional aesthetics matter. We transition unsightly pipes into seamless home features while ensuring EPA-compliant radon reduction.

The Pitfalls of the "Handyman Special": The #1 issue we see in East Tennessee is a poorly constructed suction pit. Without a properly excavated pit and PFE testing, the fan works twice as hard for half the results.

The "Bonus" Benefits: Beyond Radon

While the primary goal is hitting that sub-4.0 pCi/L mark, an Rn86 mitigation system provides secondary benefits that improve your home’s value:

  • Vapor Intrusion Control: By creating a vacuum under the slab, our systems pull out moisture and soil gases.
  • Musty Smell Reduction: If you have a damp basement or crawlspace, the system significantly reduces that "old basement" smell.

Closing the Deal: The Final Steps

For Realtors, the paperwork is just as important as the pipe.

  • AARST Standard Testing: After installation, we provide a post-mitigation clearance test performed strictly to AARST Standards.
  • Transferable Warranty: Our workmanship and performance warranties are fully transferable to the new homeowner at no additional cost.

Don't Let Radon Stall Your Closing

A failed test is simply a request for a better environment. With our dedicated customer service team and multiple phone lines, we are equipped to handle high-volume periods without letting your deadlines slip.

Ready to get your 48-hour quote? Contact Rn86 Solutions today and let’s get your home back to "Green."