Sinking Patio2026-10-23T13:28:51-05:00

Sinking Patio Repair in Tampa Bay, Orlando, Miami and Largo, FL

A sinking patio is more than a cosmetic problem. As sections settle, they can create tripping hazards, hold standing water and channel moisture toward your home's foundation. Fortunately, many sinking patios can be repaired without replacing the concrete. In most cases, the concrete itself isn't the issue—the soil beneath it is. LRE Foundation Repair diagnoses the cause of patio settlement and offers long-lasting repairs that restore safety, appearance and usability.

Symptoms

Signs Your Patio Is Sinking

Patio settlement usually develops gradually, making it easy to miss until the uneven concrete becomes hard to ignore. A single low corner may look minor today, but continued movement can lead to safety hazards, drainage issues and added damage over time. If any of the following sound familiar, your patio may be settling.

Causes

What Causes Patios to Sink?

Most sinking patios aren't caused by failing concrete—they're caused by changes in the soil beneath it. When the supporting soil settles, washes away or shifts, the concrete loses the stable base it needs and begins to sink. Understanding the underlying cause is the first step toward a long-lasting repair.

  • Soil Erosion

    Over time, the soil beneath a patio can lose strength or gradually erode, leaving sections of the concrete without the stable support they need.

    Rain, downspouts, irrigation and poor drainage can slowly carry soil away from under the patio. As voids open up beneath the slab, the concrete loses support and starts to settle. Erosion tends to work alongside natural soil movement, making the patio progressively uneven over time.

  • Poor Soil Compaction

    If the soil wasn’t properly compacted before the patio was installed, it can settle over time under the weight of the concrete.

    Freshly placed fill soil naturally compresses after construction. If compaction was rushed during installation, the ground beneath the patio may keep settling for years, causing sections of concrete to become uneven.

  • Expansive Soils

    Some soil types swell with moisture and shrink as they dry, creating constant movement beneath the patio.

    Throughout Tampa Bay, Orlando, Miami and Largo, changing moisture levels and seasonal freeze-thaw cycles can cause soil to swell, shrink and shift. Over time, that repeated movement weakens the support beneath the patio and contributes to uneven settlement.

What Happens If a Sinking Patio Goes Unrepaired?

  • Stage 1

    Early Settlement

    One section of the patio begins sitting slightly lower than the surrounding concrete. You may notice small puddles after rain, a slight slope or patio furniture that no longer sits level. The damage may seem minor, but it’s often the earliest sign that the supporting soil beneath the patio has begun to move or settle.

  • Stage 2

    Uneven Concrete & Drainage Problems

    As the soil beneath continues to settle or wash away, the height difference becomes more obvious. Trip hazards become more serious, cracks may develop, and water can pool against the home or in low areas instead of draining away. The patio becomes less safe, less enjoyable to use and more susceptible to additional settlement.

  • Stage 3

    Escalating Damage

    Without repair, settlement can progress until additional sections of the patio sink, cracks widen, and the concrete becomes more difficult to restore. Tackling the underlying soil problem early often means the patio can be lifted and stabilized rather than replaced, sparing homeowners more extensive repairs and higher costs.

How LRE Foundation Repair Fixes Sinking Patios

If you're dealing with a sinking patio in Tampa Bay, Orlando, Miami and Largo, stabilizing the supporting soil beneath the concrete is often a better long-term solution than replacing the patio. Using PolyLevel®, LRE Foundation Repair fills empty spaces beneath the slab, stabilizes weak soil and carefully raises settled concrete toward its original position. To help preserve the repair, we may also recommend sealing joints and cracks with NexusPro® Joint Sealant to limit water infiltration. The outcome is a safer, more level patio with long-lasting support and little disruption.

  • PolyLevel® Concrete Lifting

    PolyLevel® uses expanding polyurethane foam to fill voids beneath the patio, stabilize weak soils and carefully lift settled concrete back toward its original position. This minimally invasive repair cures quickly, needs no excavation or replacement and is often ready for normal use the same day.

  • NexusPro® Joint Sealant

    NexusPro® seals joints and cracks in concrete patios to help prevent water from reaching the soil beneath the slab. By cutting down on water infiltration, it helps shield the supporting soil from erosion and washout, complementing PolyLevel® concrete lifting for a more durable repair.

How It Works

LRE Foundation Repair’s Patio Repair Process

Benefits

Why Homeowners Turn to LRE Foundation Repair

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What To Expect

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We’ll walk you through what we’re seeing in easy-to-understand language so you know the root cause of the issue, not just the symptoms.

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LRE Foundation Repair is the local expert for Foundation repair and concrete repair and more. We proudly service Orlando and all of Florida.

Frequently Asked Questions

Should I replace or lift my sinking patio? 2026-10-05T10:03:44-05:00

In most cases, lifting a sinking patio is faster, less invasive and more cost-effective than replacement. When the concrete is still structurally sound, PolyLevel® can raise and stabilize the existing slab by correcting the underlying soil problem. During your free inspection, LRE Foundation Repair will recommend whether lifting or replacement is the better solution for your patio. 

Will my patio sink again after it’s repaired? 2026-10-05T10:02:37-05:00

PolyLevel® is designed to deliver a long-lasting repair by filling voids and stabilizing the soil beneath the patio. While no repair can prevent future ground movement caused by significant changes in soil conditions, addressing the underlying cause of settlement greatly reduces the likelihood of the patio sinking again. Your inspector will identify any additional solutions needed to help protect the repair long term. 

How long does patio lifting take? 2026-10-05T10:02:01-05:00

Most patio lifting projects wrap up in just a few hours, depending on the size of the patio and the extent of the settlement. Because PolyLevel® cures in minutes, homeowners can typically use their patio the same day. Your LRE Foundation Repair System Design Specialist will explain the repair process and give you a timeline during your free inspection. 

Is a sinking patio dangerous? 2026-10-05T10:01:28-05:00

It certainly can be. Uneven concrete creates trip hazards and may allow water to collect near your home’s foundation. As the settlement progresses, gaps and cracks usually widen, increasing safety concerns along with the potential for additional concrete or foundation-related problems. 

Is it possible to repair a sinking patio without replacing it? 2026-10-05T10:00:14-05:00

Yes. In many situations, a sinking patio can be lifted and stabilized using polyurethane concrete lifting rather than full replacement. PolyLevel® fills the voids beneath the slab, restores support and raises the concrete with little disruption to your landscaping or outdoor living space. 

Why is my concrete patio sinking? 2026-10-05T09:58:40-05:00

Most patios sink because the soil underneath has shifted, settled or eroded—not because the concrete has failed. Water erosion, poorly compacted fill soil, seasonal moisture changes and freeze-thaw cycles can all reduce the support beneath a patio slab, allowing sections to settle unevenly over time. 

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