WHY CONCRETE SLABS SINK

1. Lack of soil compaction while back-filling during construction

2. Drainage and erosion

Improper placement of downspouts and the path of water flow across the property can cause erosion and settling of the soil. This creates voids under the slab that then causes slabs, stoops and steps to sink.

3. Decaying debris - trash pits - sink holes

Biodegradable materials such as lumber, tree trunks and limbs either intentionally or accidently get buried in the ground. This material then decays over time causing voids under the slabs.

This homeowner had already replaced the driveway once before and now the second driveway had sunk. A contractor recommended excavation and replacement. What would this cost? They did not know about soil stabilization and concrete raising!