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Pressure Grouting

Preventing Foundation Failure and Sinking Concrete

Is your property suffering from failing foundations, sinking concrete, or water damage? Pressure grouting is your answer. Call Green Line Services today for fast and reliable solutions. In addition to preventing trip hazards and structural damage, pressure grouting can mitigate liability risks and address early indicators of more severe damage if left unattended. Using polyurethane resin, it is possible to lift slabs and structures to within 1/8” of their original level under ideal conditions. Compared to demolishing or replacing the slab or structure, polyurethane slab lifting is more efficient and cost-effective.



The Need for Concrete Pressure Grouting

Texas faces a growing problem of sinking grounds, particularly in Houston, where the rates are alarmingly high. This can lead to foundation problems, cracked concrete, and unstable soil, compromising the integrity of structures.

Pressure grouting, also known as jet grouting or injection grouting, involves injecting a grout compound into the soil to fill voids and reinforce the ground. This process effectively lifts concrete, provides foundational support, and combats erosion. It is a low-cost, cleaner alternative to reconstruction or replacement, which would require excavation and heavy equipment.

When subsurface erosion creates voids due to water damage and the freeze/thaw cycle, structures weaken. Concrete slabs can crack or collapse, while foundations require repair. Other contributing factors include poor compaction, heavy loads, and biological decay.

Pressure Grouting Services in Houston, TX

Green Line Services provides top-notch pressure grouting services to residential, commercial, and industrial properties throughout Houston and Galveston. Our method uses polyurethane foam, a revolutionary product with numerous benefits.

  • Durability: Polyurethane foam is highly durable and lightweight, capable of supporting up to 14,000 lbs./sq. ft.
  • Waterproof: It is completely waterproof and safe for contact with drinking water.
  • Environmentally Friendly: Polyurethane foam is eco-friendly and minimizes environmental impact.
  • Cost-Effective: Pressure grouting with polyfoam is less messy, requires no heavy equipment or excavation, and is quick to install at a fraction of the cost of total replacement.

At Green Line Services, we specialize in high-quality pressure grouting in Galveston, TX. Our commitment to excellence and dedication to customer service make us your best choice. Call us today at 832-253-6205 or fill out our online form for a free estimate!

Pressure Grouting FAQ

Pressure grouting involves injecting a chemical, resinous, or cementitious substance into the soil to fill voids, reinforce the ground, and reduce water flow.

Permeation grouting is the process of filling voids or gaps in the soil using particulate grouts that flow into the earth to form a solid mass. Also known as pressure grouting or cement grouting, this technique doesn't always involve the use of cement but achieves similar stabilization results.

Green Line Services uses polyurethane foam for pressure grouting. Polyurethane foam is an excellent choice for this process due to its durability, lightweight nature, and waterproof properties. It effectively lifts slabs, stabilizes soil, and combats erosion, providing robust support up to 14,000 lbs./sq. ft.

For polyurethane grouts, the pump must operate at a pressure exceeding 250 PSI to effectively push the grout out and ensure proper filling and stabilization.

When there are deep holes or gaps under concrete, it is crucial to act quickly. Injecting polyurethane foam into the underlying soil provides a long-term and cost-effective solution, ensuring stability and preventing further damage.