Surface Pitting & Flaking2026-10-14T10:32:07-05:00

Concrete Repair for Surface Pitting & Concrete Flaking

If your driveway, patio, sidewalk or garage floor has developed concrete pitting, flaking or spalling, the surface is beginning to deteriorate. At Blackburn Foundation Repair, we help homeowners all over SD protect concrete surfaces with SealantPro®, a penetrating concrete sealer that helps block moisture intrusion and extend your concrete’s lifespan.

When you address surface damage early, you can often help limit further deterioration and avoid an early tear-out.

Symptoms

Signs Your Concrete Surface Is Breaking Down

Concrete pitting and flaking often begin with subtle surface changes that worsen 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. If your concrete feels rough underfoot where it used to feel smooth, the surface layer has likely started to fail.

Causes

What Causes Concrete Pitting, Flaking & Spalling?

Concrete surface damage doesn't usually happen overnight. Concrete pitting typically starts as small holes or shallow dips in the surface. As the deterioration progresses, 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. Identifying the cause of the deterioration helps determine whether the concrete can be protected or if more extensive repairs are needed.

  • Freeze-Thaw Cycles

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

    Because concrete is naturally porous, moisture can penetrate below the surface. As temperatures rise and fall around freezing, repeated expansion and contraction weaken 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 other de-icing chemicals can accelerate surface deterioration, especially during winter.

    De-icing salts allow water to penetrate deeper into the concrete while increasing the number of freeze-thaw cycles the surface experiences. This combination often leads to 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.

    If the concrete was overworked, finished too soon or never cured properly, the surface layer may be weaker than the concrete beneath it. As the slab ages, this thin layer can begin to wear away, exposing aggregate and creating a rough, pitted appearance.

  • Moisture Intrusion

    Water is among the biggest contributors to long-term surface deterioration in concrete.

    Moisture entering unprotected concrete can carry dissolved minerals, create internal pressure during freezing weather, and slowly weaken the surface. White, chalky efflorescence is often 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 take constant exposure to foot traffic, vehicles, UV rays, rain and changing temperatures. As the surface wears, minor imperfections can turn into larger areas of concrete flaking and pitting if left unprotected.

  • Lack of Concrete Sealing

    Concrete without proper protection is more vulnerable to moisture damage and surface breakdown.

    Without a penetrating sealer, concrete readily absorbs water and contaminants that accelerate deterioration. Applying SealantPro® helps block moisture intrusion and can add years to your concrete by protecting it from the inside out.

How Concrete Pitting & Flaking Happens Over Time

  • Stage 1

    Healthy Concrete Surface

    Concrete begins life with a dense, smooth surface built to resist moisture and everyday wear. When it’s properly protected, it can hold up to years of exposure to weather, traffic, and seasonal changes.

  • Stage 2

    Moisture & Weather Break It Down

    Eventually, water, de-icing salts, UV exposure and freeze-thaw cycles begin wearing down the concrete surface. As moisture soaks into the slab, repeated freezing and thawing weaken the top layer and accelerate surface deterioration.

  • Stage 3

    Visible Pitting, Flaking & Spalling

    As the surface deteriorates, small pits, chips and flakes start to appear. Left untreated, the damage continues to spread, exposing more concrete to moisture and speeding up deterioration. SealantPro® helps shield concrete from additional moisture intrusion, slowing future surface deterioration and extending the life of the slab.

How It Works

How Blackburn Foundation Repair Protects Pitted & Flaking Concrete

Benefits

Why Homeowners Trust Blackburn Foundation Repair

Homeowners have trusted Blackburn Foundation Repair 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. Through the Supportworks network, we use engineered concrete repair systems that are backed by decades of research and proven performance.

From foundation and concrete repair to basement waterproofing, crawl space repair and gutter solutions, Blackburn Foundation Repair offers comprehensive services to help protect your home from the ground up. We stand behind our work with industry-leading transferable warranties, and flexible financing options are available to help make repairs fit your budget.

What To Expect

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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 many cases, sealing concrete is far more affordable than replacement. The surest way to determine pricing is with a free inspection and written estimate from a Blackburn Foundation Repair 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 creating a coating over 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. Often, concrete with surface pitting or flaking can be repaired 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. Full replacement is typically only needed when the concrete has extensive structural deterioration rather than just surface wear. 

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

While pitted or flaking concrete usually isn’t 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. Left untreated, those damaged areas let 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 typically come from 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 break down the top layer of the concrete, causing the surface to become rough, chipped or flaky over time. 

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