Concrete drainage pipe surrounded by rocks, located at the base of a sloped structure with stairs. Trees visible in the background.

Geolink®

Geolink erosion control blocks provide a high-strength, interlocking system designed to prevent soil loss, improve water quality, and promote vegetation growth. Engineered for durability and ease of installation, Geolink is the ideal solution for challenging erosion control applications.

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Geolink® – Engineered for Maximum Erosion Control & Environmental Protection

Geolink is the ultimate solution for effective erosion control, providing unmatched stability and environmental benefits. Designed to prevent soil displacement and reduce sediment runoff, Geolink helps protect waterways from silt and hazardous pollutants. Its innovative open-cell structure supports vegetative growth, naturally filtering contaminants and enhancing water quality.

Unlike traditional solutions, GeoLink® features an advanced unit-to-unit interlock system, ensuring seamless integration and superior performance as a complete system—not just individual blocks. This design enhances long-term stability and increases the overall safety factor of your erosion control application.

Backed by rigorous testing at the University of Minnesota’s St. Anthony Falls Laboratory and Colorado State University’s Outdoor Laboratory, Geolink has demonstrated exceptional hydraulic capacity, making it the ideal choice for even the most demanding environments.

Geolink’s modular, hand-placed concrete units eliminate the need for heavy equipment, allowing for easy installation in hard-to-reach locations. By reducing site disturbance and minimizing environmental impact, Geolink provides a sustainable, aesthetically pleasing erosion control solution.

Key Benefits:

Proven Performance – University-tested for superior hydraulic capacity
Environmentally Friendly – Supports vegetation growth and natural filtration
Interlocking System – Ensures stability and long-term durability
Easy Installation – No heavy equipment required, ideal for remote sites
Sustainable & Aesthetic – Reduces site disturbance and blends with natural surroundings

Experience the Geolink advantage—engineered to perform, designed to last.

Technical information for this product is located in the technical guide’s section. 

View Technical Information
A drainage pipe is embedded in a rocky embankment, next to a concrete structure, under a partly cloudy sky.
ArmorFlex, ArmorLoc, and Geolink for Outfall Protection

The unique shape and interlocking design of ArmorFlex cabled systems and both ArmorLoc and Geolink hand placed systems provide permanent erosion protection at culvert outfall locations. Unlike dumped stone, which typically requires maintenance and replenishment after periodic events, these systems are permanent solutions that dramatically reduce life-cycle costs.

ArmorFlex protecting a river bank from erosion.
Armortec Solutions for Shoreline and Stream Bank Protection

The Armotec® Family of Products (ArmorFlex, A-Jacks and Geolink offers permanent solutions to erosion by armoring the area of maximum scour. 

The Contech Advantage


Agency/Regulatory Guidance

Our team is ready to provide you with expert advice and assistance on local regulatory requirements, resulting in faster approvals.

 

Solution Development

Our engineers can review your requirements, weigh all options, and recommend the optimal solution to integrate with your site designs.

Technical Expertise

Our engineers can assist by providing product specific engineering calculations such as hydraulics, buoyancy, foundation reactions, and unit sizing.

Cost Estimates

We can quickly provide engineer’s cost
estimates to assist with your solution
selection process.

Site Specific Drawings

Our engineers can provide site-specific drawings for proposals, project meetings, and submittals, helping you be more efficient with your time.

On-site Assistance

Contractors know time is money, so we provide preconstruction meetings, delivery coordination, and on-site installation support to ensure a timely, smooth installation.