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Mesh Fence
Mesh Fence
Hebei Jinbiao manufactured and supplied the chain link perimeter fencing for a utility-scale photovoltaic plant in Peru in 2023. The fence runs the boundary of the generating area, keeping the array, the transformers and the compound clear of unauthorised access.
Our scope was the manufacture and supply of mesh, posts and fixings to the project specification. Civil works, post footings and erection were outside it.
Chain link mesh in galvanised steel wire with a PVC coating, green finish
2.4 m fence height, with reinforced tension wires and bound top and bottom edges
50 x 50 mm mesh aperture — 2 inches in the units most Peruvian specifications are written in
Heavy-duty steel posts, hot-dip galvanised
Panels and posts packed by section for container loading and sea freight to Peru
A solar plant is an outdoor electrical installation spread over tens of hectares, with no building to lock. The fence is the only thing that separates the array from the land around it, and it carries three jobs: keeping people and livestock off the modules, holding a defined boundary that can be patrolled and inspected, and protecting cable runs and transformer compounds, which are the parts worth stealing.
Peru adds its own conditions. Most utility-scale PV sits in the coastal desert belt, where rainfall is close to nil but salt fog, sand and ultraviolet load the coating continuously, so the finish decides the service life rather than the wire gauge. The same belt carries strong coastal winds, which is one reason chain link suits the application: an open weave lets air through instead of presenting a solid sail to the wind. And the country is seismic, which favours a flexible fence on steel posts over a rigid masonry wall that cracks and then has to be rebuilt.
The specification is written the way Peruvian projects write it — as a cerco perimétrico with malla romboidal, priced against a metrado. Height, aperture, wire diameter, coating and post spacing are all read off the bill of quantities, so the numbers below are the ones this project called for rather than a stock size.
At 2.4 m — roughly 8 ft — the fence is above easy handhold, which is the usual height for a generation compound. The 50 x 50 mm aperture keeps the weave tight enough to resist being pushed through while staying open enough to see the array from outside, which matters for inspection and for camera coverage. Posts are hot-dip galvanised and set in concrete footings by the site contractor, with the mesh tensioned between them so the run stays true over long straight sections.
It is the boundary fence around the generating area — in Peru normally a cerco perimétrico built from malla romboidal (chain link) or malla electrosoldada (welded mesh) on steel posts. It marks the limit of the installation, keeps people and animals off the equipment, and gives security staff a line to patrol.
Chain link is the usual choice. It costs less per metre over the long runs a solar plant needs, it is quick to tension between posts, and the open weave lets wind through. Welded mesh holds a tighter, more rigid panel and is harder to deform, so it tends to be specified for smaller compounds, substations and gate areas rather than for kilometres of boundary.
For a generation compound, 2.4 m (about 8 ft) is the common height, and a 50 x 50 mm aperture — 2 inches — is the usual specification, because it is tight enough to stop hands and tools while staying open enough to see through. Confirm the figures against the metrado: some projects call for 2.0 m with a barbed wire topping instead of a taller panel.
Galvanised wire alone will dull and then rust in salt fog; a PVC coating over the galvanised core is what carries a coastal installation through its service life. The two failures to design out are ultraviolet degradation of the coating, which is the price of a desert site with no cloud cover, and damage at the bottom edge where sand abrasion and weed trimming take the coating off. Bound edges and a base kept clear of sand reduce both.
Better than a solid wall does. Chain link presents an open face, so wind passes through instead of loading the fence as a sail, and a steel-post fence flexes with ground movement rather than cracking. What matters in a seismic zone is that posts are set in properly sized concrete footings and that the mesh is tensioned but not over-tensioned, so the line can move without pulling the posts over.
It is common in Peruvian specifications as an alambre de púas topping on a lower panel — often three to six strands on angled arms. It is a deterrent against climbing, not against cutting, so it is normally paired with a mesh aperture and wire diameter chosen for the risk at that section. Tell us if the metrado calls for it and we will include the arms and wire in the schedule.
Mesh is rolled and bound, posts are bundled, and both travel as one sea consignment, packed by section so the contractor can work along the boundary in sequence. Port of discharge is normally Callao. The schedule runs from confirmation of the panel and post schedule, and the sea leg is the longer part, so the vessel slot should be booked against the site programme rather than the order date.
Total length of boundary run, fence height, mesh aperture and wire diameter, coating specification, post spacing and section, whether a barbed wire topping is included, and the port of discharge. With those we confirm a mesh and post schedule and price against your metrado.
Send the boundary length, height, aperture, coating specification and destination port, and we will come back with the panel and post schedule and price. Jinbiao has manufactured fencing for infrastructure and energy projects since 1990.
A railway boundary fence runs the length of a rail corridor to keep people, livestock and vehicles off the track. For this project in Thailand, green welded mesh panels were supplied on posts set along a concrete plinth at the corridor edge, closing the line against unauthorized access where the alignment passes close to farmland and communities.
In 2024, Hebei Jinbiao delivered heavy-duty BRC fencing systems for a large-scale commercial chicken farm in Mongolia, addressing critical needs for predator control and biosecurity.
Engineered to withstand extreme continental climates, our solutions combined corrosion resistance, structural durability, and cost efficiency, ensuring uninterrupted livestock safety and operational continuity.
In 2023 Hebei Jinbiao manufactured and supplied the security boundary fence for a critical infrastructure site in Guyana: anti-climb welded mesh panels carried on a concrete block wall, specified for a tropical climate where corrosion, not impact, sets the service life.
This Ghana sports court project features a black welded wire mesh perimeter fence around the playing area. The visible installation uses modular mesh panels and posts set on concrete bases, with higher fence sections positioned to help contain balls near the court.
