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[ Service ] Framing Repair Est. 2009

Floor Joist Repair That Addresses the Structural Root Cause

Schedule Free Inspection (615) 880-6449
Licensed & Insured Workmanship Warranty Free On-Site Inspections
At a glance
Typical cost $800–$6,000+ depending on number of joists, repair method, and crawl space access conditions.
Process steps 4
Warranty Backed in writing
Inspections Free, no obligation

[ 01 ]  The Honest Answer

What you should know about joist repair

Why Floor Joist Repair Matters

The floor joists beneath your home are the structural backbone of every floor surface above. In Middle Tennessee crawl space construction, joists span between foundation walls and beams, carrying the full weight of your floors, furniture, and occupants. When moisture, pest damage, or original construction deficiencies compromise those joists, every symptom above, soft spots, bouncing, sagging, squeaking, traces back to the same structural failure below.

Ground Up Foundation Repair diagnoses the full extent of joist compromise and recommends the right repair method: sistering, partial replacement, or full-span replacement. We match the repair to the actual condition of the joist, not the easiest option.

Common Joist Repair Methods

  • Sistering: Adding a new full-length joist alongside the existing member, fastened together to form a composite structural section. Preferred when the original joist is still partially sound.
  • Partial replacement: Cutting back to sound material and installing a new section where rot or damage is localized.
  • Full replacement: Removing and replacing a joist that has deteriorated beyond repair across its full length.

Call (615) 880-6449 for a free crawl space joist inspection.

$800–$6,000+ depending on number of joists, repair method, and crawl space access conditions. Typical cost range for this service, depending on scope and site conditions.
When this isn't the fix: When floor joist damage is accompanied by active foundation movement or beam failure, those structural issues should be addressed concurrently to prevent the joist repair from being undone by continued movement.

[ 02 ]  How It Works

What to expect, start to finish

Crawl Space Inspection

We assess every joist in the affected area using probe and moisture meter to identify the true extent of damage and the moisture source responsible.

Repair Method Selection

We determine the correct repair method for each compromised joist, sistering, partial replacement, or full replacement, and present a specific repair plan.

Joist Repair Installation

Our crew executes the selected repair, using structural lumber sized for the span and load, installed with proper bearing contact at each end.

Moisture Source Correction

We address the moisture condition responsible for joist damage to protect the new framing long-term, vapor barrier, drainage, or encapsulation as needed.

There is no one-size-fits-all joist repair. Some joists need a sister, some need a section replaced, and some need to come out entirely. We look at the actual condition of every member before recommending anything.
DV
Derek Veselich
Derek Veselich, Owner, Ground Up Foundation Repair

[ 03 ]  Why Ground Up

The difference is in the diagnosis

Get several quotes and you'll see a wide range of prices. The gap isn't luck. It's whether the contractor finds the actual cause and stands behind the work.

  • In-house certified crews: we never subcontract your repair
  • Optional independent third-party engineer review on larger jobs
  • Honest three-tier triage: we tell you what can wait, in writing
  • Family owned from the same Shelbyville Highway address since 2009
Wood rot on a crawl space beam that needs framing repair.
[ 04 ]  FAQ

Joist Repair questions

The most common indicators are soft or spongy spots underfoot, floors that bounce when walked across, visible floor sagging, and sticking or misaligned doors and windows. A crawl space inspection is the only way to confirm joist condition and determine the appropriate repair method.

Yes. Joist repair work is performed entirely from the crawl space. Most homeowners remain in the home throughout the project with minimal noise intrusion to living areas.

Simple sistering repairs, addressing a few joists, can often be completed in one day. More extensive repairs across multiple bays may take two to three days. We provide a specific timeline when we present your repair plan.

In many cases, yes, particularly if deflection is due to joist softening or mid-span loss of support. Floors with significant permanent set from years of deflection may not return fully to level, which we will communicate clearly during the inspection.

Yes. Our joist repairs are warranted on labor and installed materials. We provide documentation of the warranty at project completion.

Framing Repair

Related services

Floor Joist Repair

Damaged, rotted, or undersized floor joists are repaired or replaced to restore load capacity and eliminate sagging, bouncy, or soft floors throughout the home.

Sistering Floor Joists

Sistering adds a new full-length joist alongside an existing damaged one, bonded and fastened together to share the structural load, restoring floor capacity without removing the original joist.

Crawl Space Beam Replacement

When main structural girder beams in the crawl space have rotted, cracked, or failed beyond what sistering can address, full beam replacement restores the load path and eliminates floor system instability.

Crawl Space Post Replacement

Failed, rotted, or settling wood posts in the crawl space are replaced with adjustable steel columns that provide reliable mid-span beam support and allow future height adjustment as needed.

Sagging Floor Repair

Sagging floor repair in Nashville diagnoses and corrects floors that dip, slope, or feel noticeably uneven, tracing the problem to the crawl space framing or foundation conditions responsible.

Sill Plate Replacement

Rotted or deteriorated sill plates, the foundation-top lumber that joists bear on, are removed and replaced with pressure-treated material to restore the critical connection between the foundation and floor framing.
[ 06 ]  Customer Reviews

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Where we work

Headquartered in Murfreesboro,
serving Middle Tennessee

From red-clay Rutherford County soil to Nashville’s high water tables and Cookeville’s karst limestone, we know the ground beneath your home.

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Also serving: La Vergne, Hendersonville, Gallatin, Lebanon, Clarksville, Tullahoma, Nolensville, Antioch + 100 more cities →

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Found a problem? Get a straight answer

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Schedule Free Inspection (615) 880-6449