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Seawall/Bulkhead Repair & Sealing

Shenandoah is a geotechnical contractor providing no-excavation seawall & bulkhead repair and sealing. Established in 1976, Shenandoah has provided deep injection polymer resign, and seawall & bulkhead repair. With thousands of satisfied customers, this eco-friendly deep injection polymer process has saved our customers tens of thousands of dollars. This is a rapid, long lasting, no excavation, construction solution which is a substitute for total replacement of seawalls & bulkheads. We specialize in keeping your Florida waterfront properties and assets safe and secure with no dig seawall, bulkhead and retaining wall repair. Our technically advanced teams have decades of training and experience in completing the most challenging projects, returning seawall structures to their stable original state. If you need no-excavation seawall & bulkhead repair, sealing, and stabilization, contact us today.

Our Seawall rehabilitation services are designed to quickly stabilize the soil behind your wall to minimize excavation and minimize future damage.

Seawall & Bulkhead Sealing & Repair

Causes & Signs of Seawall & Bulkhead Failure:

Erosion, depressions, caving, sinkholes, and voids are visible in the ground behind the seawall, bulkhead or retaining wall. Cracks in wall slabs and caps, sagging or leaning slabs, slab deterioration and slab stains are all symptoms of seawall failure. These symptoms are caused by the erosion of the ground behind and under the seawall. Most often this is caused by cracks & leaks in the wall, improper drainage of the groundside water runoff, and/or soil/ground which was not compacted adequately during construction over fear of collapsing the wall.

Method for No-Excavation Seawall & Bulkhead Repair and Soil Stabilization:

No-excavation seawall and bulkhead repair, along with soil stabilization in marine environments, is often necessary to address issues without the need for extensive digging. Additionally, the polymer deep injection seawall repair process is environmentally friendly and certified for contact even with drinking water. It involves the following:

Structural Chemical Grouting:

In granular soils, chemical grouting fills the voids and pockets in soils and subsoils pushing water out, then bonds them together, stabilizing and lifting the soils and structure while creating a significant increased weight bearing capacity. Structural chemical grouting is also used to repair fractures in seawall concrete and rock. When the grout is injected into the cracks and fractures it fills the voids with a powerful grabbing adhesive. It repairs the integrity of the concrete structure and creates a waterproof bond. This method is also widely used for government, infrastructures, industrial, commercial, and residential buildings, and properties.

Water Control Chemical Grouting:

Is most often used to stop water flow in soils and subsoils. Injection points are laid out in a well-defined grid/curtain, then under pressure, chemical grout is injected into the grid pattern which allows it to interconnect. This fills the voids in the soil and creates an underground curtain wall that prevents water migration. Water control grouting is widely used as a cost-effective way to stop leaks in seawalls, dam repair, underground utilities, storm drain & sewer systems. Underground grout curtain walls are created at water flow points to stop the leaks and water flow into the structure.

What are The Benefits of Shenandoah’s Chemical Grouting & Soil Stabilization Process?


Weight Bearing Capacity Restored or Increased


Material Reaches 90% of Strength in 15 Minutes, Assets can be Used Immediately


Precision Pavement Leveling Often up to 1/8” Tolerance with Rapid Polymer Expansion


Use of Small 5/8” Injection Holes, No Deconstruction Reconstruction


Low Pressure Injection of Polymer down to Base and Subbase Soils


One-Time Cost-Effective Method for Long Lasting Restoration


Eco Friendly

Contact Shenandoah your Local Statewide Expert in Seawall & Bulkhead Sealing & Repair

When it comes to no excavation seawall & bulkhead repair and preserving your real estate assets don’t settle for anything than the best. With decades of hands-on experience, the professionals at Shenandoah have the geotechnical experience and skills to inspect and complete your job correctly, on time and budget. Our outstanding customer service, excellent craftmanship, use of only the best in industry materials and equipment and highly experienced team members ensure that your seawall stabilization project meets and exceeds all expectations. Contact us today for additional information.

Stormwater and Sewer Cleaning and Inspection


Our Inspection, Restoration, and Maintenance (IRM) Program has helped maximize the performance of our customers sanitary and stormwater systems for over 45 years.