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DrySpace Foundation Works
Moisture control · Most requested

Crawlspace Encapsulation in Franklin, TN

Franklin has two housing stocks and two crawlspace problems

About an hour and a half from our shop. We photograph what is under your floor, take moisture readings while we are there, and price the work in writing.

1–3 daysTypical project
FreeAssessment & estimate
WarrantyMaterials & labor
YearlyService call available
Crawlspace Encapsulation in Franklin

What we find under houses in Franklin

Franklin sits on the Harpeth River in the Nashville Basin, and the town is really two building eras sharing one map. The historic streets carry brick and frame homes well over a century old, sitting on shallow crawlspaces with bare soil, hand-laid piers and framing that has been damp and dry a hundred times over. Those spaces are usually tight to work in and full of decades of accumulated repairs, and the ground under them has never been covered.

The other Franklin is the subdivision growth spreading out from the old core, built on graded pads over basin clay and shallow limestone. There the crawlspace tends to be better framed and better proportioned, and the moisture arrives as surface water directed by a grading plan that was drawn for the street. Both versions end up with the same symptom upstairs, which is air that feels heavy and a smell that arrives with the humidity every year.

We plan the two differently. In an older Franklin house the priority is getting a proper liner detailed around irregular piers and stone footings without disturbing anything that is carrying load. In a newer one it is usually drainage at the wall the water arrives at, and a discharge line taken far enough away from the footing. After that the sequence is the same: sealed seams, terminated piers, vents and penetrations closed, and a dehumidifier sized to the volume of the space.

Everything we do in Franklin
Signs a crawlspace needs sealing
  • Musty odors in closets, hallways or on the first floor
  • High humidity, so the house feels damp with the AC running
  • Mold growth on joists, subfloor or ductwork
  • Standing water after rain, or ground that never dries out
  • Sagging floors, often the first structural consequence
  • Allergy symptoms that ease when you leave the house

None of that is a diagnosis of your house. What your home actually needs comes from the assessment and the measured scan on your own crawlspace.

What's included

The same checklist on every Franklin job

Every crawlspace encapsulation we do in Franklin, TN follows the same sequence. A liner laid over wet ground traps the problem underneath it. Groundwater comes first, then the seal, then humidity control, and your estimate lists each piece separately.

  1. Clean-out & prep

    Debris, old failed plastic and construction leftovers come out. We grade the soil surface so the liner sits flat and drains where it should.

  2. Groundwater control

    Where water enters, interior drainage and a sealed sump move it out before anything gets sealed over. Grading and downspout problems get flagged in the report.

  3. Heavy-duty vapor barrier

    Reinforced liner across the floor and up the walls, seams sealed, terminated and fastened around every pier and penetration.

  4. Vents & penetrations sealed

    Closing the vents is what stops humid outside air from being pulled in. Plumbing, wiring and duct penetrations get sealed at the same time.

  5. Dehumidification

    A sealed space still needs its humidity managed through a Tennessee August. We size the unit to the volume and hard-plumb the condensate.

  6. Structural repairs first

    Rotted posts, damaged joists or a sagging floor get addressed before the space is closed up. No one wants to reopen a finished crawlspace.

How crawlspace encapsulation works in detail
How the job runs

Four steps, and you see the findings before the price

  1. Free assessment

    We go under the house, take moisture readings, elevations and measurements, and check every support. Takes as long as it takes.

  2. Findings & written estimate

    Photos and readings walked through with you, then a line-item price. Financing options if you want them.

  3. Install

    The same family crew that quoted the job does the work. Most crawlspace and waterproofing projects run 1–3 days.

  4. Annual service call

    $250 a year covers a service on the equipment we installed and a fresh FoundationScan® report, so changes are caught early. No contract required.

FAQ

Franklin questions we get asked

Our house dates to the eighteen hundreds. Will sealing the crawlspace hurt the old framing?

Sealing is what protects it. Old framing gets damaged by repeated wetting and drying, and stopping that cycle is the single best thing you can do for it. We do check the structure carefully first, because some historic houses have carried a lot of moisture for a long time.

There are stone piers under our place. Can a liner be sealed to those?

Yes. Irregular stone and brick piers take longer to detail than modern block, and the liner is cut, wrapped and terminated around each one so the seal is continuous. It is slower work and we account for that in the estimate.

Our subdivision house is only twelve years old and it still smells musty downstairs. Why?

Newer houses are tighter upstairs, so moisture coming from below has fewer ways out and concentrates in the living space. Under the floor there is usually a graded pad, loose builder poly and open vents doing exactly what vents do in a Williamson County July.

Do you take on historic properties, or is that a specialist job?

We do them, and what changes is the pace and the care taken, with the same system underneath. Everything structural is staged slowly to protect plaster, and the liner detail around original masonry takes longer. All of it is written into the estimate before anything starts.

Is there a way to see the moisture numbers before and after?

Yes. We take readings at the assessment and again after the system is running, and every job comes with a FoundationScan® report. If you stay on the annual service call, that gets re-run each year.

Nearby

Crawlspace Encapsulation near Franklin

Franklin, TN sits about an hour and a half from our shop in Baxter, and we work the rest of Williamson County and the Nashville Basin on the same runs.

All 33 towns we cover

Free crawlspace assessment in Franklin

We'll go under the house, show you photos of what is actually down there, and price the work in writing. No cost, no obligation.

Call or text 931-650-5859

Family owned & operatedFree estimatesFinancing as low as 0%Annual service calls available