Surface Pitting & Flaking2026-10-19T14:07:41-05:00

Concrete Repair for Surface Pitting & Concrete Flaking

If your driveway, patio, sidewalk or garage floor has concrete pitting, flaking or spalling, the surface is beginning to deteriorate. At The Foundation Specialists, we help homeowners all over TN protect concrete surfaces with SealantPro®, a penetrating concrete sealer that works to reduce moisture intrusion and add years of life to your concrete.

By addressing surface damage early, you can often help slow further deterioration and avoid premature concrete replacement.

Symptoms

Signs Your Concrete Surface Is Wearing Away

Concrete pitting and flaking usually begin as small surface changes that grow more noticeable over time. Look for a rough, pockmarked finish, small chips that expose the aggregate below or areas where the top layer begins to peel away (concrete spalling). Damage often appears first along slab edges, steps and other areas exposed to moisture and de-icing salts. When concrete that once felt smooth now feels rough underfoot, the surface layer has likely started to fail.

Causes

What Causes Concrete Pitting, Flaking & Spalling?

Concrete surface damage rarely happens overnight. Concrete pitting often begins as small holes or shallow low spots. As surface breakdown continues, the surface may begin flaking, and in more advanced cases, concrete spalling can occur as larger pieces break away. Much of this damage comes from years of exposure to moisture, freeze-thaw cycles, de-icing salts and everyday wear. Knowing what's driving the deterioration helps determine whether the concrete can be protected or if more extensive repairs are needed.

  • Freeze-Thaw Cycles

    Water that soaks into concrete expands as it freezes, stressing the surface and slowly causing it to pit, crack and flake.

    Concrete is naturally porous, allowing moisture to penetrate below the surface. As temperatures fluctuate above and below freezing, repeated expansion and contraction wear down the top layer of concrete. Over time, this process can lead to concrete pitting, flaking and surface spalling.

  • De-Icing Salts & Chemicals

    Road salt and de-icing products can speed up surface deterioration, especially during winter.

    De-icing salts help water penetrate deeper into the slab while raising the number of freeze-thaw cycles the surface experiences. Together, these conditions often cause salt damage to concrete, causing edges, driveways, sidewalks and front steps to chip and flake before their time.

  • Poor Concrete Finishing

    Concrete that’s finished or cured improperly is more likely to develop surface damage over time.

    When concrete is overworked, finished too early or cured incorrectly, the surface layer may be weaker than the concrete beneath it. As the concrete ages, this thin layer can start to break down, exposing aggregate and creating a rough, pitted appearance.

  • Moisture Intrusion

    Water is one of the leading causes of long-term concrete surface deterioration.

    Moisture that enters unprotected concrete can carry dissolved minerals, create internal pressure during freezing weather, and slowly weaken the surface. White, powdery efflorescence is usually a sign that moisture is moving through the concrete and bringing minerals to the surface.

  • Age & Surface Wear

    Years of use and weather exposure naturally wear down unprotected concrete surfaces.

    Driveways, patios, sidewalks and pool decks are always exposed to foot traffic, vehicles, UV rays, rain and changing temperatures. As the surface wears, small imperfections can grow into larger areas of concrete flaking and pitting if left unprotected.

  • Lack of Concrete Sealing

    Concrete left unprotected is more vulnerable to moisture damage and surface breakdown.

    Without a penetrating sealer, concrete takes on water and contaminants that hasten deterioration. A SealantPro® application helps reduce moisture intrusion and can extend the life of concrete by protecting it from within.

How Concrete Pitting & Flaking Develops Over Time

  • Stage 1

    Healthy Concrete Surface

    New concrete has a dense, smooth surface that naturally resists moisture and daily wear. When it’s properly protected, it can hold up to years of exposure to weather, traffic, and seasonal changes.

  • Stage 2

    Moisture & Weather Wear It Down

    Over time, water, de-icing salts, UV exposure and freeze-thaw cycles start wearing away the concrete surface. Once water penetrates the slab, repeated freezing and thawing weaken the top layer and speed up surface deterioration.

  • Stage 3

    Pitting, Flaking & Spalling

    Once the surface breaks down, small pits, chips and flakes begin showing up. Untreated, the damage will continue to spread, exposing more concrete to moisture and speeding up deterioration. SealantPro® helps protect concrete from additional moisture intrusion, slowing future surface deterioration and extending the life of the slab.

How It Works

How The Foundation Specialists Protects Pitted & Flaking Concrete

Benefits

Why Homeowners Trust The Foundation Specialists

Since 1999, homeowners have counted on The Foundation Specialists to protect one of their biggest investments with repair solutions designed to last. We focus on addressing the root cause of the problem rather than defaulting to replacement when a more effective, cost-conscious repair is available. As a member of the Supportworks network, we use engineered concrete repair systems that are backed by decades of research and proven performance.

From concrete repair and foundation repair to basement waterproofing, crawl space repair and gutter systems, The Foundation Specialists offers comprehensive services to help protect your home from the ground up. We stand behind every job with industry-leading transferable warranties, and flexible financing options are available to help fit repairs into your budget.

What To Expect

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Whether you need foundation repair, basement waterproofing, crawl space repair, concrete lifting, or one of our many other services, The Foundation Specialists can help. Our highly experienced team is proud to serve communities throughout Tennessee, Kentucky and Indiana.

Frequently Asked Questions

How much does concrete pitting and flaking repair cost? 2026-10-05T14:15:23-05:00

The cost of repairing pitted or flaking concrete depends on the size of the area, the condition of the surface, and whether additional services are recommended, like NexusPro® concrete caulking for cracks and joints. In most cases, sealing concrete is much more affordable than replacement. The surest way to determine pricing is with a free inspection and written estimate from a The Foundation Specialists Design Specialist. 

What is SealantPro® and how does it work? 2026-10-05T14:14:44-05:00

SealantPro® is a proprietary penetrating concrete sealer made to protect concrete from the inside out. Rather than forming a coating on the surface, it penetrates deep into the concrete where it reacts within the material to help block water, road salts and freeze-thaw damage. That means longer-lasting protection that can significantly extend the life of your concrete. 

Can flaking concrete be fixed without replacing it? 2026-10-05T14:14:09-05:00

Yes. In many cases, concrete with surface pitting or flaking can be treated without replacing the slab. If the damage is limited to the surface, SealantPro® concrete sealing penetrates deep into the concrete to help protect it from additional moisture, salt and freeze-thaw damage. Replacement is generally reserved for concrete with extensive structural deterioration, not just surface wear. 

Is pitted or concrete flaking dangerous? 2026-10-05T14:13:40-05:00

Although pitted or flaking concrete isn’t usually a structural concern, it can create safety hazards. Rough surfaces catch shoes, chipped spots can become tripping hazards, and pitted concrete tends to hold water that freezes into slippery patches during colder months. If left untreated, those damaged areas allow more moisture into the concrete, causing surface deterioration to spread. 

What causes my concrete to flake and pit? 2026-10-05T14:13:07-05:00

Concrete pitting and flaking are usually caused by a combination of moisture, freeze-thaw cycles, de-icing salts, harsh chemicals and normal weathering. In some cases, the concrete mix or the finishing process during the original pour also plays a role in surface deterioration. These conditions wear down the top layer of the concrete, causing the surface to become rough, chipped or flaky over time. 

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