Concrete slabs, sidewalks, and patios can shift and settle not only resulting in hazardous walking conditions, but can also lead to more damage to your foundation. You can trust that United Dynamics, Inc. has the training and experience necessary to raise your concrete back as close to the original elevation as possible.
Symptoms of Sinking Concrete:
- Sloping Slabs and Patios
- Uneven Sidewalks
- Cracked concrete slabs
Causes of Sinking Concrete Slabs:
- Water Erosion – Improper grading or placement of downspouts can direct surface water under concrete slabs carrying supporting soils away.
- Poor Compaction – Untamped soils will settle over time allowing concrete slabs to sink.
- Breakdown of Organic Material – Poor fill material such as plants or construction debris will settle over time allowing concrete slabs to sink.
If you’ve experienced any of the above, concrete slab repair may be necessary.
Cures for Sinking Concrete Slabs:
Pressure Grouting:
Holes are drilled through the concrete slab in appropriate locations. Grout is then pumped into each hole. When the grout fills the void underneath the concrete, even pressure is applied raising the concrete slab back to its original position.
Helical Slab Brackets:
In conjunction with pressure grouting, a helical pier is driven through the settling soil. After reaching refusal, a bolt is adjusted through a cup fitting on top of the anchor enabling the channel to lift the floor.
