Concrete Spalling and Surface Damage

Spalling is the visible flaking or breaking of concrete surfaces — often caused by water infiltration, freeze-thaw cycles, or rusting rebar near the surface. Left untreated, it can spread rapidly and compromise structural integrity.

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Concrete Spalling and Surface Damage

What Causes Concrete Spalling?

Spalling typically begins when moisture penetrates the surface and reaches reinforcing steel or undergoes freeze-thaw expansion. Corroding rebar expands, cracking the surrounding concrete and pushing off surface layers.

Signs of Concrete Spalling

  • Surface flaking, chipping, or scaling
  • Exposed aggregate or reinforcing steel
  • Staining or moisture leaks near damage
  • Progressive worsening over time

Why It’s More Than Cosmetic

Spalling reduces the effective concrete cover protecting embedded steel. Once corrosion starts, the damage can multiply quickly. Ignoring it puts structural performance, safety, and long-term durability at risk.

Recommended Solution

Address spalling with Anti-Corrosion Treatments and Chemical Strengthening Treatments to preserve rebar and reinforce concrete from within.

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Stop Spalling Before It Spreads

Connect with SRN’s network of expert contractors and engineers to restore concrete surfaces and protect against long-term deterioration.

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