Interconnected cracks usually point to failure below the surface.

Alligator cracking forms a dense, scale-like pattern and typically indicates that the pavement or its supporting base can no longer carry the load above it.

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What alligator cracking can mean.

Unlike an isolated crack, this pattern is generally a structural warning. Water intrusion, weak base material, poor drainage, repeated heavy loads, or inadequate pavement thickness may all contribute to the failure.

What to look for

  • Small connected polygons resembling reptile scales
  • Movement, softness, or broken pieces under vehicle loads
  • A pattern concentrated in wheel paths or low, wet areas

The practical next step.

Sealcoating will not repair alligator cracking. The failed area usually needs to be evaluated for removal, base correction, and patching—or included in a broader restoration or replacement plan.

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