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Sinking Troubleshooting Guides

Published FixGraph guidance for diagnosing and responding to sinking.

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Concrete Slab Sinking: Uneven Heave, Voids, and Polyjacking Decisions

A sinking or uneven concrete slab can reflect lost support from erosion, drainage, a weak or shifting subgrade, or a slab that has cracked and is moving independently. Start by documenting the low and high areas, checking visible drainage and washout clues from a safe position, and noting whether cracks or movement are worsening.

Slab · Concrete Service