Will you replace my coping stones?

No. Epp Foundation Repair does not set or reset pool coping. If your coping is loose because the deck dropped, lifting the deck back to grade usually re-seats the coping. If coping stones need to be removed, re-mortared, or replaced, that is masonry work and we refer you to a pool or masonry contractor. We will tell you on the inspection which situation yours is.

Concrete Repair · Problem Signs · Since 1994

Settled Pool Decks Lifted Back to Level Around Stable Pools

Epp Foundation Repair has lifted settled pool decks across Nebraska, Iowa, Kansas, and Missouri since 1994, and we tell you honestly when the pool itself, not the deck, is the problem.

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What this symptom means

Pool Deck Settling and Tilting Around the Pool: diagnosed and explained.

Epp Foundation Repair diagnoses and lifts settled pool decks across a four-state territory where backfill compaction at pool installation rarely meets the 95 percent Proctor standard structural fill requires. Dave Epp founded the company in 1994. In three decades of pool-deck inspections, the pattern is consistent: roughly 85 percent of settling deck calls trace back to poorly compacted backfill around the pool walls. Fill that settles 1 to 4 inches in the first 5 years. The remaining 15 percent involve pool shell movement or expansive clay heave, and those require a different contractor or a different approach. We tell you which one yours is before any work is scoped.

Pool Deck Settling and Tilting Around the Pool diagnosed by Epp Foundation Repair

Catch It Early

Pool Deck Signals That Need Attention

Early warning signs of pool deck settling and tilting around the pool on a Midwest home

Gap opening between coping and deck

A horizontal gap where the deck meets the pool coping means the deck has dropped relative to the pool shell. A gap of 1/4 inch or less can be sealed cosmetically; anything wider needs the deck lifted before sealing, otherwise the gap reopens within a year.

Deck tilting toward the pool

Use a 4-foot level across the deck. Any reverse slope toward the coping is a drainage failure and a tripping hazard. Pool decks are designed to drain away from the water; when they drain toward it, every rain accelerates the backfill problem.

Cracks running parallel to the pool

Cracks that run parallel to the pool edge at 1 to 3 feet out usually mark where the backfill zone ends and natural soil begins. The deck cracks where it bridges that boundary as the backfill side settles faster than the soil side.

Coping stones loose or lifted

If coping stones are wobbling or have lifted, the issue may be the pool shell rather than the deck. Epp Foundation Repair will inspect both and tell you whether the right call is a deck lift or a pool contractor referral.

Most Common Causes

What causes pool deck settling and tilting around the pool in Midwest homes.

Poorly compacted backfill around the pool walls

When a pool is installed, the excavation around the shell is wider than the pool itself, leaving a backfill zone 1 to 3 feet wide on all sides. Structural fill should be placed in 6-inch lifts and compacted to 95 percent Proctor density. In practice, that zone is often filled with whatever soil came out of the hole, dumped in 2-foot lifts, and lightly walked over.

Expansive clay heave and shrink cycling

Across central Kansas, northern Missouri, and parts of southern Iowa, expansive clay with a plasticity index above 30 shrinks roughly 15 percent by volume in dry summers and swells back when rain returns. A pool deck poured over expansive clay rides that cycle: it lifts in spring, drops in late summer, and over time develops cracks at the joints and elevation differences between panels. The pool shell itself is engineered to flex with the clay; the deck slab is not.

Downspout discharge eroding sub-deck fill

House downspouts that drain near a pool deck saturate the backfill on the foundation side, accelerating settlement on that edge specifically. Epp Foundation Repair sees a recognizable pattern: the deck section between the house and the pool has dropped 1 to 2 inches more than the far side, and the drop traces directly back to a downspout 6 to 10 feet away.

Pool shell movement (rare, and not Epp scope)

Vinyl-liner and fiberglass pools rarely move once set. Concrete or gunite pools can shift if hydrostatic pressure builds beneath an empty shell, or if foundation soils beneath the pool itself have failed. When the pool shell is moving, the deck is the symptom and lifting the deck does not solve the problem. Epp Foundation Repair refers these to qualified pool contractors. About 5 percent of pool-deck calls fall into this category.

Surface drainage flowing toward the pool

Pool decks should slope away from the pool at roughly 1/4 inch per foot. When deck settling reverses that slope, rainwater and pool splash-out drain toward the coping and back into the soil at the pool wall. The result is a self-feeding loop: settled deck causes water to pool at the coping, water at the coping further saturates the backfill, backfill settles more, deck drops more.

Underlying cause of pool deck settling and tilting around the pool in Midwest homes

Permanent Solutions

How concrete repair specialists actually fix pool deck settling and tilting around the pool.

Solving pool deck settling and tilting around the pool means addressing the underlying soil, pressure, or settlement cause. Not just patching the visible damage. Below are the engineered solutions we install most often for this symptom in Nebraska, Iowa, Kansas, and Missouri homes.

Concrete Repair solutions

Engineered concrete repair solutions for this problem.

Each method is matched to a specific failure mode and soil profile. Browse the toolkit we draw from when diagnosing your home.

Polyurethane Foam Injection

Epp Foundation Repair has injected closed-cell structural foam beneath driveways, sidewalks, garage floors, and pool decks across Nebraska, Iowa, Kansas, and Missouri since 1994. The slab lifts. The void fills. The work finishes in a single day.

Polyjacking

Epp Foundation Repair has installed polyurethane foam slab lift. Whether the contractor calls it polyjacking, foam jacking, or poly lift. Across Nebraska, Iowa, Kansas, and Missouri since 1994. Same closed-cell foam. Same 5-year warranty.

Polyurethane Foam Injection

Epp Foundation Repair has injected mid-soil polyurethane under settled slabs and foundations across Nebraska, Iowa, Kansas, and Missouri since 1994. Engineered lift in fifteen minutes.

Regional Context

Why concrete fails differently in Nebraska, Iowa, Kansas, and Missouri

Loess soils consolidate under slabs after the first deep water exposure. Expansive clay heaves and contracts seasonally. Salt damage from 60+ freeze-thaw cycles per winter accelerates surface failure. Generic concrete repair ignores the soil under the slab, which is why settled concrete returns within a season or two. Regional repair starts with the cause underneath, not the crack on top.

36 to 42"

Frost penetration depth

Eastern Nebraska average

60 to 80

Freeze-thaw cycles / year

Lincoln to Omaha corridor

35 to 40"

Annual precipitation

NE / IA service region

30+

Years of regional inspections

30,000+ homes assessed

Loess soils and the crack patterns they produce

Most of eastern Nebraska and western Iowa sits on wind-deposited loess. a fine, silty soil 10 to 200+ feet deep. Loess holds its structure when dry but loses cohesion rapidly when saturated. After a wet spring, saturated loess expands against foundation walls. After a dry Nebraska summer, it contracts. pulling away from footings, creating voids beneath slabs, and producing the vertical and diagonal settlement cracks we see most frequently on the Lincoln, Omaha, Council Bluffs corridor.

The Marshall and Sharpsburg loess series. dominant across the eastern Nebraska service area. are particularly prone to this cyclical volume change. Homes built in the 1960s, 1980s on uncompacted loess backfill show the highest incidence of progressive settlement cracking in our inspection data.

Frost depth, freeze-thaw cycles, and horizontal cracking

Eastern Nebraska's 36, 42" frost penetration depth means the soil below grade freezes and thaws 60, 80 times per year. Each cycle applies lateral pressure to basement walls. A wall that holds through ten cycles can fail in the eleventh if drainage has worsened, backfill has settled, or the wall was already at capacity. Horizontal cracks near the soil grade line are almost always a freeze-thaw story in this region.

In eastern Kansas, expansive clay pockets near the surface introduce a different failure mode . consistent volume change regardless of frost depth. Horizontal cracking in Kansas foundations typically traces to clay expansion; the same pattern in Nebraska more often indicates frost-driven hydrostatic pressure.

"When someone calls about a settled pool deck, the first question I ask isn't about the deck. It's whether the pool shell has moved. If the pool is going, lifting the deck is throwing good money after bad. After 30 years I've turned away more pool jobs than I've taken, and the homeowners thank me later. Dave Epp, Founder"

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 Pool Deck Settling and Tilting Around the Pool.

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

A settled pool deck is moderate severity. The deck itself is a tripping hazard when sections offset by more than 1/4 inch, and the drainage reversal accelerates the backfill problem with every rain. More importantly, if the pool shell is actually the one moving, the deck is just the symptom and waiting makes the pool problem worse. Epp Foundation Repair inspects both the deck and the pool shell on the first visit so you know which problem you actually have. About 85 percent of the time it is the deck. About 15 percent of the time it is the pool itself or expansive clay cycling, and we tell you honestly when we cannot fix it.

Pool deck leveling through polyurethane foam injection typically runs $1,500 to $6,000 across our four-state region, depending on deck size and how much settlement there is. A standard 600-square-foot deck with 2 inches of settlement on the house side typically runs $2,500 to $4,000. Larger decks, severe settlement, or decks with multiple problem zones can reach $6,000 or more. Pool shell repair or replacement is separate and not Epp scope. Those costs are quoted by pool contractors. Written estimate after on-site inspection reflects your scope.

No. Epp Foundation Repair lifts settled concrete and stabilizes foundations. Pool shells. Whether vinyl-liner, fiberglass, or gunite. Are a specialty trade with different materials, different warranties, and different code requirements. When the shell is the problem we refer you to reputable pool contractors in your area. We will not take work that is not ours to do well, and we will not lift a deck around a pool that is actively moving.

Yes. Polyurethane foam reaches structural strength in roughly 15 minutes. By the time Epp's crew has packed up, the deck is fully load-bearing. Most homeowners swim that evening. The 5/8-inch injection ports are patched with color-matched concrete and the patches are walkable immediately and pool-safe within 4 hours. The polyurethane foam itself is inert and non-toxic. It is the same material used in marine flotation.

On expansive clay, no concrete repair is permanent. The soil moves seasonally and the deck moves with it. That said, polyurethane foam lifts on expansive clay across central Kansas and northern Missouri typically hold for 7 to 15 years before any re-leveling is needed. The honest answer Epp Foundation Repair gives on first inspection: if you live on heavy clay, expect to revisit pool deck elevation once per decade. Lifts done in 2010 across the region are still holding today when the homeowner managed drainage well.

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.

Other concrete repair warning signs to watch for.

If you see one, it's worth checking for the others. Most foundation problems show up as more than one symptom.

Concrete Cracks Diagnosed and Repaired

Epp Foundation Repair diagnoses exterior concrete cracks on driveways, sidewalks, patios, garage floors, and pool decks across a four-state territory covering more than 130,000 square miles. Dave Epp founded the company in 1994, and after 30-plus years reading slabs, the field rule holds: roughly 70 percent of widening exterior cracks trace back to subgrade movement, not the concrete itself. A hairline crack 1/16 inch wide that has not moved in two years is almost always shrinkage from the original cure. A 1/4-inch crack with one side dropped lower than the other is a settlement signal, and the slab is telling you the dirt under it is gone or going.

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Cracking Expansion Joints

Expansion joints are the soft filler strips set between concrete sections so the slabs can move without crushing into each other. Concrete expands in summer heat and contracts in winter cold, and across eastern Nebraska and western Iowa that swing happens through 50 to 70 freeze-thaw cycles every year. Each cycle works the joint a little harder. The filler dries out, shrinks, and eventually cracks or falls out. Once the joint opens, water runs straight down into the soil under the slab. That soil is often expansive clay or loess, which swells when wet and shrinks when dry, so the very water the joint was meant to keep out starts moving the slab from below. A cracked joint by itself is rarely a structural emergency. The reason to act is what follows: open joints feed water under the concrete, and water under concrete in this region is the leading cause of settlement, lifting, and slab separation. Sealing or replacing a joint early is a low-cost step. Waiting until the slab has settled or heaved turns it into a leveling or replacement job.

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Gaps Between Concrete Slabs and Walls

Gaps form between concrete slabs and walls when the soil under the slab settles and the slab drops with it, while the wall or the next slab stays in place. Across Nebraska, Iowa, Kansas, and Missouri the soil doing the settling is usually expansive clay or loess, which compacts and shrinks as it dries and washes out where drainage is poor. A patio pulling away from the house, a garage floor separating from the foundation wall, or concrete steps leaning back from the porch are all the same story: the slab has lost support underneath. The reason to take an early gap seriously is water. An open gap is a funnel. Every rain and snowmelt pours water straight into the soil beneath the slab and, where the gap is against the house, down along the foundation wall. That water accelerates the very settlement that opened the gap, and near the foundation it can find its way toward the basement or crawl space. The 50 to 70 freeze-thaw cycles this region sees each year widen the gap as trapped water freezes and expands. Sealing a thin gap is simple. A wide gap with a settled slab needs the slab lifted and the void filled before sealing makes sense.

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Pitting, Flaking, and Staining on Exterior Concrete

Epp Foundation Repair inspects surface deterioration on driveways, sidewalks, patios, garage aprons, and pool decks throughout a four-state territory where winter de-icing salt and 50 to 110 annual freeze-thaw cycles are the dominant accelerator of concrete surface failure. Dave Epp founded the company in 1994. After three decades of inspections the pattern holds: 80 percent of pitting and flaking calls we look at are cosmetic. The structural slab beneath is sound, but the 20 percent that reach the reinforcement steel below need a different conversation. We tell you which category yours falls into on the first visit, and we tell you when the right answer is a coating contractor, not us.

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Sinking Driveways Diagnosed and Lifted Back to Grade

Epp Foundation Repair diagnoses and lifts sinking driveways across a four-state territory dominated by two soil behaviors that account for the majority of driveway settlement: hydroconsolidated loess fill in eastern Nebraska and western Iowa, and expansive clay in central Kansas and northern Missouri. Dave Epp founded the company in 1994. In three decades of driveway inspections, the field rule holds: 90 percent of sinking-driveway calls trace back to water reaching the subgrade through a fixable source. A downspout, a broken sprinkler, a low spot in the grade. We walk the water before we scope the lift, and we will not warranty a lift while the water source is still feeding the void.

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Sinking Garage Floors

Epp Foundation Repair inspects roughly 380 sinking garage slabs each year across the Lincoln, Omaha, Des Moines, and St. Joseph markets. A garage floor settles when the engineered fill placed beneath it during construction loses volume, and on 1960s through 1980s Nebraska and Iowa builds that fill was often sand, native loess, or pit-run gravel placed in lifts thicker than 12 inches without proper compaction testing. Dave Epp documents drops of 1 to 4 inches at the apron joint, with corner settlement concentrated where the slab meets the stem wall. The slab itself is usually intact, which is why foam lifting is viable on roughly 9 out of 10 garage floors Epp diagnoses.

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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.

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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.

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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

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

From the Blog

Expert guidance on protecting your home.

Practical articles from the Epp team on foundation health, waterproofing, and home preservation.

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Why foundation problems are common in Des Moines homes.

Iowa's expansive clay soils and freeze-thaw cycles are particularly hard on residential foundations. A practical guide to what's happening below grade and why local…

Dave Epp·Feb 18, 2026