Polyurethane Foam Injection for Uneven Concrete Slab Repairs

January 30, 2023

Polyurethane Foam Injection for Uneven Concrete Slab Repairs

Uneven concrete slabs can be a significant source of frustration for homeowners, property managers, and business owners. Not only do they pose a tripping hazard, but they can also impact the overall appearance of your property. But why do concrete slabs become uneven in the first place? Understanding the causes of uneven concrete slabs can help you choose the best solution for repairing your slab.

Causes of Uneven Concrete Slabs

  1. Soil Movement: Over time, the soil beneath a concrete slab can shift, causing the slab to become uneven. This is particularly common in areas with high moisture levels or areas that experience frequent freeze-thaw cycles.
  2. Improper Preparation of Subgrade: If the subgrade beneath the concrete slab is not properly prepared, it can lead to the slab becoming uneven. This can include issues with compaction, proper drainage, or adequate soil stabilization.
  3. Improper Mixing of Concrete: If the concrete used to pour the slab is not mixed properly, it can cause the slab to become uneven.
  4. Poor Installation: If the concrete slab is not installed correctly, it can result in an uneven surface. This can include issues with proper curing, inadequate reinforcement, or incorrect use of control joints.

Traditional methods for repairing uneven concrete slabs can be time-consuming and expensive, but there is a better solution: polyurethane foam injection.

What is Polyurethane Foam Injection?

Polyurethane foam injection is a quick, effective, and non-invasive method of repairing uneven concrete slabs. This method involves injecting a high-density polyurethane foam into the voids beneath the concrete slab. The foam expands and fills the voids, effectively leveling the slab. This method can be completed in a matter of hours, and the slab is ready for use almost immediately after the foam has set.

Advantages of Polyurethane Foam Injection

There are several key benefits to using polyurethane foam injection for concrete slab repairs:

  1. Quick and Effective: The entire process can be completed in a matter of hours, so there is no need to wait days or even weeks for your concrete slab to be repaired.
  2. Non-Invasive: Unlike traditional methods, there is no need to remove the concrete slab or cause any damage to your property.
  3. Durable: Polyurethane foam is a strong and durable material that will last for years.
  4. Cost-Effective: Polyurethane foam injection is a cost-effective alternative to traditional concrete slab repair methods.

How Polyurethane Foam Injection Works

The process of polyurethane foam injection is relatively straightforward. A small hole is drilled into the concrete slab, and a high-density polyurethane foam is injected into the void beneath the slab. The foam expands, filling the void and leveling the slab.

Conclusion

Polyurethane foam injection is a quick, effective, and non-invasive method of repairing uneven concrete slabs. Whether your slab has become uneven due to soil movement, improper preparation of the subgrade, poor mixing of concrete, or poor installation, polyurethane foam injection can help restore the stability and levelness of your concrete slab.

In addition to its speed and effectiveness, polyurethane foam injection also has the added benefit of being a cost-effective solution compared to traditional concrete slab repair methods. Furthermore, the polyurethane foam used in this method is a strong and durable material that will last for years, ensuring that your concrete slab remains level and stable for the long term.

If you're facing uneven concrete slabs on your property, consider polyurethane foam injection as a solution. With its quick, effective, and cost-effective approach, it offers a practical and long-lasting solution to this common problem. Contact Gernatt for concrete repair today to schedule an evaluation and get started on the road to a level and stable concrete slab.