Genuine delay, not just height
Close mesh, heavier sections and protected fixings slow cutting and climbing attempts long enough for a response.

High-risk perimeter protection
Heavy-gauge palisade and anti-climb steel perimeters specified and installed for utilities, infrastructure, industrial and high-value sites across Essex.
Commercial fencing installation across Essex and surrounding areas
Typical applications
Utilities, infrastructure, plant compounds, high-value storage
Available heights
Tall perimeter lines specified against the assessed risk level
Finish options
Hot-dip galvanised, or galvanised and powder-coated
Gate compatibility
Heavy-duty sliding and swing gates with access control
Overview
High-security fencing is less about height alone and more about how long a boundary resists attack. Close-mesh panels, heavier gauges, concealed or clamped fixings and reinforced posts all add delay, which is what gives detection and response any value.
It is specified where the consequence of intrusion is significant: utilities and substations, infrastructure compounds, plant and machinery yards, waste and recycling facilities, data and communications sites and industrial premises holding high-value stock. These boundaries are usually long, exposed and unsupervised for much of the day.
We work backwards from the threat. Where can someone approach unseen, what could be used to climb, how is the ground formed, and where do vehicles and staff genuinely need to pass? That determines the system, the height, whether toppings are justified, and how gates and access control are integrated so the strongest boundary does not end at a weak opening.
A site assessment is essential on this type of work. Buried services, existing structures, sightlines, lighting and camera positions all influence the line and the detailing, so we confirm the specification on site rather than from a plan.

Applications
We install high-security perimeters where the boundary is the first and often only physical line of defence.
Why it works
Close mesh, heavier sections and protected fixings slow cutting and climbing attempts long enough for a response.
Small apertures leave no foothold and no grip, so the fence resists climbing without relying on toppings alone.
Clamped or shrouded fixings and rigid panels make it far harder to remove or lever a section quietly.
Heavy-duty gates, controlled entry and matching detailing keep openings as strong as the rest of the line.
Specification
Specification follows the assessed risk, the site layout and the ground. Every detail is confirmed on site before we quote.
Final specification is confirmed following a site survey.
Our process
We inspect the boundary, access, ground conditions and operational requirements.
We recommend a suitable fencing system, height, finish and gate configuration.
The work is coordinated to minimise disruption and maintain safe site access.
The fencing and gates are installed carefully, checked and left with a clean, consistent finish.
Why Pro Fencing
We assess how the boundary needs to perform before recommending a fencing system, finish or gate configuration.
Fencing for industrial, educational, commercial and public environments.
Recommendations based on the boundary, ground, access and security requirement.
Installation coordinated to maintain safe access and minimise disruption.
A defined route from site survey and specification through to installation.
Coverage
Pro Fencing supplies and installs commercial fencing systems throughout Essex. We work with businesses, schools, contractors, sports facilities and public-sector organisations, providing site-specific fencing and gate solutions for new installations, upgrades and boundary replacements.
FAQs
The difference is resistance and delay. High-security systems use smaller mesh apertures or heavier sections, deeper post foundations and fixings that cannot be undone easily from the attack side. Standard boundary fencing marks a line and deters casual entry; a high-security perimeter is designed to take sustained effort to breach, which buys time for detection and response.
Prison mesh is one of the systems commonly used for high-security perimeters. Its very small apertures resist fingers, tools and climbing, and the rigid panels are difficult to cut quickly. Other options include heavy welded mesh and heavy-duty palisade. The right choice depends on the threat, the surroundings and whether through-visibility is needed.
Not always. A tall close-mesh perimeter is already difficult to climb, and toppings add cost and can raise concerns near public areas or where children are nearby. We recommend toppings where there is a known climbing risk, an isolated boundary or a specific insurance or operational requirement, and we discuss the practical and safety implications first.
Openings are usually the weakest point, so gates are built in the same system and finish, with heavier frames, deep posts and reduced ground clearance. Sliding gates suit constrained entrances, and access control, intercoms or vehicle detection manage who passes through. We confirm swept paths and clearances on site so gates operate reliably without leaving gaps.
Yes, and it usually should. Mesh systems keep sightlines open for cameras while still resisting climbing. We take account of existing camera positions, lighting columns and detection equipment when setting the line and choosing panel heights, and we can coordinate with your security installer so the physical and electronic measures support each other.
It is manageable with planning. We phase the work so the boundary is never left open overnight, keep vehicle and pedestrian routes usable, and coordinate deliveries around shift patterns. Temporary measures can secure a section while permanent fencing is installed. Access, permits and induction requirements are agreed before we mobilise.
We start with what is being protected, how exposed the boundary is and what has happened previously. Attempted entry points, neighbouring land, sightlines, ground conditions and buried services all feed into the recommendation. The final system, height, foundations and gate arrangement are confirmed after the site survey rather than quoted from a plan.
We install high-security perimeters throughout Essex and the surrounding areas, including Basildon, Thurrock, Grays, Chelmsford, Brentwood, Harlow, Romford and Colchester. For larger infrastructure and industrial perimeters we regularly travel beyond the county, so it is worth asking even if your site is just outside.
Get started
Talk to Pro Fencing about your site, security requirements and installation timeframe. We can assess the boundary and recommend a suitable solution.