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What is Soil Nailing?

Soil nailing is a slope stabilization method that uses a “top-down” approach. Steel bars, called soil nails, are installed into the ground to create a reinforced structure that resists movement. Access Limited’s Nail Launcher™ drives nails up to 20 feet long at speeds of 250 mph. Nails can also be drilled or driven, making the system adaptable to changing soil conditions. Each nail acts as a soil probe, providing real-time data for engineers. Soil nails perform well in seismic zones and can be paired with shotcrete or mesh facing for added strength and erosion control.

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Drilling Soil Nails 2

Soil Nail Types

Self-Drilling Nails – Ideal for collapsing soils or active slides, offering high installation rates and strong pullout capacity.

Open Hole Nails – Installed with grout that both drills and stabilizes the hole while bonding with surrounding soil, creating a reinforced column.

Launched Nails – Fired into the slope at high velocity, providing exceptional shear strength and rapid installation for time-critical projects.

Soil Nail Installation at Gardiner Road

Advantages of Soil Nailing

  • Cost-Effective – More economical than concrete gravity or ground anchor walls.

  • Versatile – Performs well in varied soils and seismic conditions.

  • Fast Installation – Minimal excavation and adaptable to changing ground.

  • Durable – Reinforced with shotcrete or mesh facing for long-term stability.

  • Multi-Use – Can also stabilize retaining walls, levees, and erosion-prone slopes.

Two construction workers apply shotcrete to a mesh retaining wall.

20+ Years of Proven Results

For over two decades, Access Limited has delivered innovative soil nailing solutions to prevent slope failures and protect infrastructure across North America. Our rope-access and steep-slope crews bring unmatched expertise in landslide mitigation, slope stabilization, and emergency response.

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Why Choose Access Limited’s Solutions?

Tailored Precision

No two projects are the same, and neither are our solutions. At Access Limited, we take the time to understand your site-specific conditions, challenges, and goals. Our team collaborates with you from the start to design customized solutions that fit your unique needs and ensure long-term success.

Enhanced Stability

Steep terrain, tight spaces, and sensitive environments aren’t barriers—they’re our specialty. With decades of experience and purpose-built equipment, our experts deliver safe, efficient solutions for even the most complex site conditions.

Industry-Leading Expertise

Safety and quality guide every step of our work. We follow strict regulations, minimize environmental impact, and use high-performance materials to deliver durable, reliable results you can count on.

Proven Results

Our work is built to perform in real-world conditions—minimizing risk, reducing lifecycle costs, and standing the test of time. With disciplined quality control, durable materials, and performance-driven execution, Access Limited consistently delivers dependable results on time and on budget.

Engineered Design Build Solutions

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OUR PROCESS

Design/Build Solutions

Our design/build solutions are customized to the varying demands and site constraints of each geohazard we encounter. Every project that we take on is completed with one goal in mind: always provide the best value.

STEP 1

ASSESSMENT

No-obligation site visit by a qualified geotechnical engineer.

STEP 2

ANALYSIS

Fixed-cost proposal developed from available geotechnical and site visit information.

STEP 3

DESIGN

In-house engineering team assists or completes the design.

STEP 4

INSTALLATION

Crews can mobilize within 24 hours; designs optimized in real time.

WARRANTY

Multi-year performance warranty covers materials, installation, and overall system performance.

WARRANTY

Multi-year performance warranty covers materials, installation, and overall system performance.

Bid Build Process

 

Site Assessment

Detailed analysis of ground conditions, risks, and challenges for accurate planning.

Strategic Planning

Tailored stabilization designs that boost efficiency and reduce risk.

Transparent Communication

Clear updates and open dialogue from start to finish.

Quality Results

Safe, durable solutions built with proven methods and materials.

Who We Work With

Client Reviews

Landslide Repair for Road in Wyoming

"We got notice today that GSI has completed the remediation work at the [road] Slide.  WYDOT greatly appreciates the responsiveness from GSI regarding the issues that occurred this spring.  Kirk and I were at the site last week right after they finished installing the micropiles and row of soil nails.  Everything looked great, I hope everything worked out coordinating traffic control with our maintenance folks.  Great job!, it is gratifying to work with such a professional, responsive organization."

Successful Project Support in British Columbia, Canada

Hi Graeme, I apologize for taking so long to respond; it is a credit to the smoothness of this project that I was able to shift my focus onto other ones. When asked by a colleague how this project went, I responded "that so last week". Seriously though, I want to sincerely thank you and your crew for their great efforts and patience getting this going and completed safely and successfully. A senior manager reviewing the photos also noted how tidy and well organized the site looked. Thanks also for accommodating all our site visits and heli close-ups.

Retaining Wall Repair in Pennsylvania

I would like to take this opportunity to express my appreciation for the expert design and construction work performed by your company on our [Retaining Wall Project]. On the design side, I was truly impressed by how quickly and efficiently you and the other engineers responded to the need to revise the original design due to conflicts that arose with many of the proposed soil nails and the locations of the existing underground utilities. The problem was recognized on a Friday and the project was redesigned, new calculations performed, and revised design plans prepared before the weekend expired. Obviously, you and others worked through the weekend to keep the job moving forward and on schedule. Thanks to you and your firm for the professional and courteous performance of both the design and construction work. I would not hesitate to recommend your firm to anyone who may have a need for the specialized types of services that your company is not only capable, but expert in performing.

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Contact Us Today

If you are interested in a no obligation site visit to determine if our services fit your geohazard mitigation needs, call us at 855.905.2460 or fill out our contact form.

855.905.2460

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    Our Awards,
    Certifications, &
    Memberships

    GeoHazard Safety Recognition
    Association of Geohazard Professionals
    Association of Geohazard Professionals