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Climbing is a mechanical problem, not a materials problem. A person climbs a fence by finding something to grip with a hand and something to push against with a foot. Every anti-climb product on the market works by removing one of those two things, and the differences between them are differences in how thoroughly they do it and what else they cost you.
The name is the specification. A 3 inch by half inch aperture is roughly 76.2 mm by 12.7 mm, too small for a boot to enter and too narrow for fingers to grip. The mesh is welded from horizontal and vertical wires, commonly around 4 mm, which also makes it slow to cut with hand tools. There is no top rail to stand on and no gap to hook a ladder into.
What it is not is opaque. A 358 fence is a see-through barrier, which is usually what a site wants: it gives clear sightlines for CCTV and patrols while denying purchase. It is also comparatively heavy per square metre, because the wire density is high, so posts and fixings have to match.
Paladin is a welded pale system: vertical pales with a W-profile, welded to horizontal rails, set close enough that a hand cannot close around a pale. The W-section is what does the work — it is stiff, it presents no flat face to grip, and it is difficult to bend apart. It reads as a palisade fence but is a welded panel, so it installs faster than traditional pales.
A standard 3D panel — welded mesh with V-shaped bends for stiffness — is a boundary fence, not an anti-climb fence. It becomes one when it is specified with a small aperture, a taller panel, and a cranked top that leans outward. The return at the top is not decorative: it removes the horizontal top edge that a climber would otherwise use to swing a leg over.
358 where the requirement is genuinely anti-intrusion and the client wants sightlines: substations, utilities, logistics yards, data centres, transport depots.
Paladin where the client wants the appearance of palisade with the installation speed of panels, typically commercial frontages and industrial estates.
3D with a cranked top where the budget is tighter and the threat is casual rather than determined, such as a school boundary or a vacant site.
Height helps, but not in the way buyers assume. Going from 1.8 m to 2.4 m does not stop a determined intruder; it removes the easy route and adds time, and time is what a response or a patrol needs. The useful questions are how long the intruder would need, whether they would be seen, and whether cutting the mesh is quieter or slower than climbing it. A 2.4 m 358 fence with no cover and a clear sightline is a far better barrier than a 3 m panel fence hidden behind stacked material.
Anti-climb and anti-intrusion products are frequently marketed with certification marks that describe a tested attack resistance, not a mesh size. Those marks belong to the product that was tested, by the laboratory that tested it, and they are not transferable to a similar-looking panel from another supplier. If a project requires a certified product, state the standard and the test in the enquiry, and expect the supplier to show the certificate with the product reference on it. We state our own certifications explicitly and we do not claim ratings we have not tested.
What the fence is protecting, and from whom. Casual intrusion and a determined attempt need different products.
Required height, and whether a cranked top is acceptable visually.
Whether sightlines must be maintained for CCTV or patrol.
Ground conditions and the total run length including corners.
Any certification the project requires, quoted as the standard and the test.
358 describes the aperture: 3 inch by half inch, about 76.2 mm by 12.7 mm. It is the most common anti-climb mesh, but the term anti-climb describes the performance, so a specification should state the aperture and wire diameter rather than the marketing name.
It can be cut with power tools. The point of the small aperture and the welded grid is that hand tools are slow and noisy, which increases the time and the risk of being noticed. It is a delay measure, not an absolute barrier.
They resist different attacks. 358 denies footholds across the whole face; paladin denies grip on the pales. For a site with sightline requirements 358 is usually preferred, and for frontage appearance paladin is often chosen. Both depend far more on height, toppings and the absence of climbing aids nearby than on the panel alone.
Yes, because it removes the top edge a climber uses to get over. It does not stop a ladder, which is why the base of the fence and anything stored against it matter as much as the head.
That is a legal question before a technical one. In many jurisdictions the liability attached to injury from a topping outweighs the security benefit, and some clients prohibit it outright. Decide with the client and the local rules, not with the catalogue.
Set by wind load and panel stiffness. Anti-climb panels are heavier than standard mesh, so the bay is usually shorter than a standard 3D run. The number belongs in the drawing, not in a general answer.
We manufacture and supply. Outside China the scope is supply only, with drawings; installation is by the client's contractor.
Yes, powder coating is available in standard colours, and it is the usual choice for a frontage where the fence is visible. On coastal sites the coating specification matters more than the colour.
Tell us what the fence protects and from whom, and we will say whether 358, paladin or a cranked 3D panel is the honest answer. The 358 range and the paladin range carry the panel details; for the price structure, see the fence cost breakdown.
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