Crawl Space Jacks installation by Epp Foundation Repair
Crawl Space Repair · Solution · Since 1994

Steady The Sagging Floor Over Your Crawl Space

Bouncy, sloping floors usually trace back to overspanned or weakened framing in the crawl space below. Epp Foundation Repair sets adjustable steel jacks on engineered footings to carry the load and stop the movement. Our goal is permanent stabilization, with some lift possible depending on conditions.

Nebraska · Iowa · Kansas · Missouri Since 1994

Let's take the first step toward a healthy home.

A local specialist will inspect your foundation, walk you through the findings, and send a clear estimate. no cost, no pressure.

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How it works

What crawl space jacks is and when it's the right call.

A floor sags because the framing under it cannot carry its load over the distance it has to span. Wood beams and joists deflect under weight, and the longer the unsupported span, the more they bend. When a builder spanned a beam too far, or when crawl space moisture softened the wood, or when the original support post settled into soft soil, the floor above starts to dip, slope, and bounce. A crawl space jack interrupts that span. The steel post is placed under the sagging beam or directly under overspanned joists, shortening the distance the wood has to carry on its own. With a new support point in the middle of a long span, the framing flexes far less, and the movement stops. The part that makes or breaks the repair is the footing. A jack only works if the load it carries lands on something solid. Epp Foundation Repair pours or sets an engineered footing sized to the weight above and the bearing capacity of the soil, so the post does not push down into the ground over time. This is exactly where shortcut repairs fail. A jack screwed onto bare dirt or a single patio block sinks within a season and the floor sags again. Because the posts are adjustable, the crew can do two things. First, set the jack snug to carry the load and stop the deflection, which is the stabilization Epp guarantees. Second, where the framing and the home allow, slowly raise the post over days or weeks to bring a sagged floor closer to level, which is the lift Epp attempts but does not promise. Forcing a long-settled floor up too fast can crack drywall and finishes, so any lift is done gradually and only as far as the structure tolerates. The result is a floor that is supported, no longer bouncing or moving, and as close to level as the conditions safely allow.

Crawl Space Jacks explained by Epp Foundation Repair
Installation Process

How we install crawl space jacks.

Step 01

Floor and Framing Diagnosis

Epp Foundation Repair maps the slope and bounce in the floor above, then inspects the beams, joists, and existing support posts in the crawl space. The crew identifies the overspanned or weakened framing and checks the soil where new footings will go, sorting the work into Must Do, Strongly Suggest, and Monitor.

Step 02

Footing Preparation

The crew excavates and pours or sets an engineered footing sized to the load and the soil bearing capacity at each jack location. This is the step shortcut repairs skip, and it is the reason a jack on bare dirt fails. A solid footing is what keeps the support from sinking.

Step 03

Jack Installation and Load Transfer

Epp sets each adjustable steel jack on its footing beneath the sagging beam or joists and brings it up snug to carry the load. The framing stops deflecting at that point. This is the stabilization the company guarantees, achieved before any attempt at lift.

Step 04

Gradual Adjustment and Verification

Where conditions allow, the crew raises the adjustable posts slowly over time to bring the floor closer to level, watching the finishes above so nothing cracks. Epp confirms the floor is supported and stable, documents the work with photos, and notes how the posts can be tuned later.

"“The right solution for your foundation depends on the soil, the failure mode, and the load. We engineer for permanence. Not the easiest pitch.”. Dave Epp"
Dave Epp
Dave Epp
President, Epp Foundation Repair
Why Choose Epp

Care and expertise from a team that's been doing this since 1994.

Epp Foundation Repair is locally owned and operated, with crews dedicated exclusively to foundation, basement, and concrete work across the Midwest.

Specialized expertise.

Foundation repair, waterproofing, and concrete leveling are our entire focus. not a sideline.

Locally owned since 1994.

Three decades of experience with Midwest soils, basements, and weather conditions.

BBB Integrity Award winner.

Recognized in 2011 and 2016 for ethical business practices and customer transparency.

Warrantied solutions.

Most product solutions carry 10 to 25-year warranties backed by the original installer.

EPP · SINCE 1994

Why hire Epp Foundation Repair.

MEET THE TEAM · 2 MIN
Frequently Asked Questions

Answers to common questions about Crawl Space Jacks.

Don't see your question here? Our team is happy to help. Reach out anytime.

Crawl space jacks are adjustable steel support posts that carry the weight of a sagging floor and stop it from moving. They are used when floor framing has dipped, sloped, or started to bounce, which usually traces back to beams spanned too far, wood weakened by crawl space moisture, or original posts that settled into soft soil. Epp Foundation Repair sets each jack on an engineered footing so it transfers the load to stable ground rather than sinking. The goal is a supported, stable floor.

Pricing ranges above are general estimates only and are not project quotes. A precise figure is provided on each written estimate after on-site inspection.
Related Solutions

Other crawl space repair solutions we install.

Every solution is engineered for a specific soil profile and failure mode. Browse the full toolkit.

Service Areas

Serving Nebraska, Iowa, Kansas & Missouri.

Local crews based in six regional offices, dispatched daily across four states. If your town isn't listed, call us. we likely serve your area.

Top cities we serve
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Our Process

Take the first step toward a healthy home.

A straightforward path from initial inspection to completed repairs.

Step 01

Schedule your inspection.

A local specialist visits your home, evaluates the foundation, and answers your questions on site. No cost, no obligation.

Step 02

Receive an estimate based on your needs.

We provide a clear, written estimate with a scope of work tailored to your home's specific issues. Typically within one business day.

Step 03

Get your repairs.

Our certified crews complete the work on schedule and back it with product warranties of up to 25 years.

Customer Reviews

Over 1,750 homeowners have shared their experience.

A 4.9-star average across Google, with verified reviews from homeowners throughout Nebraska, Iowa, Kansas, and Missouri.

Free Estimate

Two ways to start: book instantly, or request an estimate.

Schedule your inspection in seconds with our Driive booking tool, or share a few details and a local specialist will follow up within one business day.

What to expect
  • A local foundation specialist on site
  • A complete walk-through of the findings
  • A written estimate within one business day
  • No cost, no obligation, no high-pressure sales
Prefer to call
402-423-9192
Nebraska · Iowa · Kansas · MissouriSince 1994
Epp Foundation Repair

Let's take the first step toward a healthy home.

A local specialist will inspect your foundation, walk you through the findings, and send a clear estimate. no cost, no pressure.

Book instantly with Driive
BBB Accredited
Fully Insured
"By Your Side" Guarantee
Our Locations

Six regional offices across the Midwest.

See all service areas
Lincoln, NE
Epp Foundation Repair
1133 Libra Dr
Lincoln, NE 68512
402-566-5265
Omaha, NE
Epp Foundation Repair
12305 Gold St, Ste 2
Omaha, NE 68144
402-521-5081
Grand Island, NE
Epp Foundation Repair
802 Bronze Rd
Grand Island, NE 68803
308-303-3944
Norfolk, NE
Epp Foundation Repair
1105 S 13th St, Ste 205
Norfolk, NE 68701
402-792-4092
Clive, IA
Epp Foundation Repair
2175 NW 86th St #14c
Clive, IA 50325
515-349-5562
St. Joseph, MO
Epp Foundation Repair
2400 Frederick Ave, Suite 315
St. Joseph, MO 64506
816-549-2672