Permanent Shoring Contractor

Permanent Shoring

Long-Term Excavation Support and Retaining Systems

GeoStabilization International is the permanent shoring contractor of choice for deep excavations, grade separations, and long-lasting retaining structures. For more than 20 years, our design-build teams have stabilized soils and protected adjacent assets across North America, helping contractors, DOTs, and developers deliver safer projects on time and within budget. Using soil nails, anchors, tiebacks, grouting, and shotcrete facings, we build durable, code-compliant systems that minimize disruption and protect surrounding infrastructure.

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Why Choose GSI as Your Permanent Shoring Contractor

We use corrosion-resistant materials such as galvanized or epoxy-coated steel and fiberglass, along with integrated drainage and rigorous quality management to ensure lasting performance.

Our nationwide fleet and limited-access equipment enable fast response and efficient progress on critical schedules

Shotcrete finishes and slim wall profiles reduce right-of-way impact compared with traditional gravity or cast-in-place systems

Comprehensive safety programs, testing, and documentation meet or exceed industry standards for dependable, long-term stability.

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Our Capabilities

As a trusted permanent shoring contractor, GSI delivers custom earth retention and excavation support systems designed for long service life:

  • Permanent Soil-Nailed Walls – Steel or fiberglass nails with mesh or shotcrete facings for basements, transportation corridors, and deep excavations.
  • Anchors and Tiebacks – Rock and soil anchors that control deflection and increase wall capacity.
  • Retaining Wall Construction and Rehabilitation – New retaining systems or upgrades to strengthen existing structures using nails, anchors, and improved drainage.
  • Adjacent Structure Protection – Limited-access shoring solutions that safeguard nearby foundations, pavements, and utilities.
  • Drainage and Hydrostatic Relief – Weeps, subdrains, and perforated elements that manage groundwater for long-term wall stability.
  • Grouting and Ground ImprovementCompaction and curtain grouting to densify soils and control seepage.
  • Emergency Response – Rapid stabilization when movement threatens public safety or infrastructure.
Permanent Shoring wall

How GSI Delivers Permanent Shoring

 

Site Assessment and Analysis

Review of subsurface conditions, stability modeling, groundwater evaluation, and constructability planning.

Engineering and Design

Selection of nails, anchors, or tiebacks; design of lengths, loads, facings, drainage, and corrosion protection for long-term performance.

Top-Down Construction

Sequential installation of nails and anchors with shotcrete facings, including pressure grouting and testing as required.

Finishes and Integration

Architectural shotcrete, coping, barriers, and surface restoration to meet both structural and aesthetic goals.

Quality Management and Turnover

Verification testing, as-built documentation, and maintenance guidance ensure reliable, low-maintenance systems.

The GSI Advantage

  • Durability: Materials and designs selected for service life and exposure conditions.
  • Schedule Certainty: Top-down, limited-access methods minimize disruption and shorten construction timelines.
  • Risk Reduction: Design-build delivery provides predictable results with fewer coordination points.
  • Nationwide Coverage: Local responsiveness supported by an experienced, specialized field team.
Meridian Permanent Shoring Wall

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Secure your excavation with confidence. GSI’s design-build shoring experts deliver durable, low-disruption systems engineered for your site conditions.

Request a site review or proposal today.

855.579.0536

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