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The reason FRP fencing exists is a real safety problem. When a conventional steel or chain-link fence is installed around an electrical substation or along an overhead line corridor, and a conductor falls or sags to contact the fence, the entire fence becomes live. That's not a theoretical risk — it's happened, and it's fatal. Non-conductive FRP fencing removes that risk entirely..
At AMROCK, we manufacture FRP perimeter fencing systems — pultruded fibreglass fence posts, panels, and gates — for electrical substations, overhead line corridors, water treatment plants, coastal industrial sites, and railway line-side boundaries. The system is fully non-conductive, UV-stabilised, and maintenance-free. No painting, no galvanizing, no re-coating — you install it and it stays effective.
We supply complete systems including panels, posts, pedestrian gates, and vehicle access gates — all manufactured from pultruded FRP to the same consistent dimensional standard, so everything fits and connects correctly on site.
Flat or profiled pultruded GRP panels installed between pultruded FRP post channels. Clean, modern appearance with a solid panel face — the standard specification for substation perimeters, water treatment plant boundaries, and industrial campus perimeters where a professional appearance is required.
FRP grating panel fencing using open-mesh FRP grating as the fence infill provides visibility through the fence line and maximum ventilation - relevant for cooling tower surrounds, transformer bay boundaries, and any application where air movement through the fence is required.
A traditional fence aesthetic in an FRP material - picket and top rail construction for lighter boundary demarcation around electrical infrastructure, water bodies, nature reserves, and environmentally sensitive perimeters where a heritage or open landscape appearance is preferred.
| Property | Specification |
|---|---|
| Post Height | 1500 mm to 3000 mm above ground; concrete base or ground anchor fixed |
| Post spacing | 1500 mm to 3000 mm depending on panel height and wind load |
| Panel height | 1200 mm, 1500 mm, 1800 mm, 2100 mm, 2400 mm |
| Material | Pultruded glass reinforced isophthalic polyester resin |
| Dielectric Strength | >10 kV/mm |
| UV stabiliser | Integrated in resin - no surface coating required |
| Colours | Grey, Green, Yellow; custom RAL available |
| Temperature Range | -40°C to +70°C |
FRP fence posts are installed in preformed concrete foundations or driven into the ground using standard post driving equipment. Panels slot into the post channels and are secured with stainless steel fasteners - no welding, no hot work permits, no lifting equipment required for standard panel heights. The entire perimeter of a typical substation can be fenced by a small crew in a single day. After installation, there is nothing to maintain - no paint to touch up, no zinc to re-apply, no hardware to replace.
non-conductive specification for all substation voltage levels.
No painting, re-coating, or maintenance
Panels, posts, pedestrian gates, vehicle gates from one supplier
Custom heights, panel widths, and colours to project specifications
Tell us about your project requirements, and our team will provide a customized quotation with the best solution for your application..