Introduction
Security breaches cost businesses billions each year, making material choice one of the most important decisions in securing your site. From protecting critical infrastructure to commercial property, expanded metal stands out as a high performance, durable and tamper resistant option.
Expanded metal mesh is widely recognised as one of the most effective materials for high security fencing. From its robust construction to its resistance against tampering and climbing, it is a proven solution for protecting critical infrastructure and sensitive sites.
In this article, we explore the key benefits of expanded metal fencing and how it compares with other mesh options used in perimeter protection.
What is Expanded Metal Mesh?
Expanded metal mesh is manufactured from a single sheet of metal that is slit and stretched to form a rigid mesh pattern. Unlike welded or woven meshes, expanded metal has no weak points, welds, or joins, making it an inherently strong and tamper-resistant solution.
What Makes Expanded Metal mesh Unique?
Structural Integrity
- Manufactured from a single sheet of metal for maximum strength and rigidity.
- No welds, joints, or weak points that could be compromised.
Versatility
- Suitable for a wide range of applications: fencing, security cages, wall panels, and barriers.
- Available in various patterns, mesh sizes, and thicknesses to suit specific requirements.
Sustainability
- Highly efficient production process reduces waste compared to perforated or welded mesh.
- Fully recyclable at the end of its life.
Why Expanded Metal mesh is Perfect for High-Security Fencing
Anti-Tamper Design
- Small apertures make it extremely difficult to cut or penetrate using standard tools.
- Maintains structural integrity even under stress.
Anti-Climb Properties
- Expanded metal mesh design eliminates footholds and hand grips, significantly reducing the risk of intrusion.
- Meets requirements for perimeter protection in sensitive and regulated environments.
Durability in Harsh Conditions
- Resistant to corrosion, weathering, and impact, making it ideal for long term outdoor use.
- Optional coatings and galvanising further extend lifespan and appearance.
In Practice
Imagine a secure utility site on the edge of an urban area. Harsh weather, attempted trespassing, and constant surveillance demands are daily realities. Expanded metal mesh holds firm, no weak points, no compromise. It deters intrusion, resists damage, and blends seamlessly with modern security systems.
Real-World Applications
Expanded metal mesh fencing is trusted across sectors such as:
- Transport and Rail Infrastructure
- Energy and Utilities Sites
- Airport and Docks
- Military and Defence Buildings
- Data Centres and Warehousing
How Does Expanded Metal Compare to Other Mesh Fencing Types?
Chain Link Fencing: Chain-link (also known as wire mesh or cyclone fencing) is made from galvanised steel wires woven into a diamond pattern.
Pros: Low cost, easy to install
Cons: Easy to cut, flexible and easy to climb, limited design options
Woven Wire Fencing: Constructed by weaving wires over and under each other to form a mesh. Commonly used in agriculture.
Pros: Inexpensive, flexible
Cons: Wires can be loosened, unravel if cut, lower security level
Welded Wire Fencing: Wires are electrically welded at their intersections to form a rigid grid.
Pros: More secure than chain-link or woven wire, small apertures deter climbing
Cons: Vulnerable at weld points—can be parted using tools like scissor jacks
Key Takeaways
- Expanded metal mesh offers unmatched strength, adaptability, and durability.
- Its anti-tamper and anti-climb properties make it ideal for high-security applications.
- With its sustainable manufacturing process and recyclability, it’s a smart long-term investment.
Ready to upgrade your perimeter protection?
