
Free-Standing Walls Using Interlocking Legato® and Duo™ Blocks
Modular Walling Solutions for Data Centres
Elite Precast provides high-performance interlocking concrete blocks. The Legato® and Duo™ systems are designed for the construction of walls within data centres and critical infrastructure environments.
These systems offer a flexible, modular and robust solution for creating walls without the need for permanent foundations, making them ideal for flood defence, traffic segregation and security applications. Elite Precast solutions deliver rapid deployment, high strength and long-term durability across a wide range of operational requirements.
What Are Legato® Interlocking Concrete Blocks?
Free-Standing Walls
Interlocking Legato® and Duo™ block systems are used to construct self-supporting walls that provide protection, segregation and security across data centre sites.
These systems provide stable, adaptable walling solutions that can be installed quickly and adjusted as site needs evolve.

Why Choose Elite Precast
With decades of precast expertise, in-house engineering support and a proven delivery record on projects of every scale, Elite Precast is the partner specifiers trust. We pair robust, repeatable manufacturing with the flexibility to engineer bespoke solutions when a standard product will not do.
Key Applications
They are particularly suited to:
Flood defence barriers for critical infrastructure
Traffic segregation within service yards and logistics areas
Security barriers around sensitive or restricted zones
Perimeter protection for operational areas
Temporary or permanent infrastructure separation
Benefits
No Permanent Foundations Required – Free-standing systems can be installed on prepared surfaces, reducing groundwork and installation time.
Rapid Installation and Deployment – Modular blocks allow for quick construction, ideal for both planned and emergency applications.
Multi-Functional Use – Suitable for flood defence, traffic management and security, offering versatility across multiple site requirements.
Modular and Reconfigurable – Walls can be extended, relocated, or reconfigured, supporting evolving site layouts and phased developments.
High-Strength and Durable Construction – Precast concrete provides robust performance under load and environmental exposure.
Reusable and Cost-Effective – Blocks can be reused across projects, delivering long-term value and sustainability benefits.
Engineered for Your Environment
Typical Installations
Flood defence walls protecting critical infrastructure
Traffic segregation barriers in service yards
Security walls around substations and energy centres
Temporary or permanent site partitioning
Protection of high-risk or restricted access zones

Why Choose Legato® Interlocking Concrete Blocks for This Application?
Elite Precast combines engineering expertise with precision precast manufacturing to deliver reliable infrastructure solutions.
Our systems provide:
Flexible and scalable walling solutions
Fast installation with minimal site disruption
Durable performance in demanding environments
Confidence in safety, protection and operational efficiency
Elite Precast interlocking, Legato, and Duo block systems provide a versatile and robust solution for free-standing walls. Designed to support flood defence, traffic segregation and security applications, they are an essential component in modern data centre and infrastructure environments.
