Fencing Systems Fencing Systems Est. 1975 Est. 1975 JPK NRA PALISADE NRA SPECIFICATION NRA Palisade NRA spec palisade fence securely installed on soft uneven ground Close up of the NRA spec palisade fence panels mounted to an ST2 grade concrete plinth. NRA spec palisade gate mounted to high grade galvanided steel posts. A high quality barrier that conforms with the NRA specifications offering good security and absorbs heavy impact. All steel sections and fittings are galvanised providing long term maintenance free protection from corrosion. This system is formed at JPK’s manufacturing facility and installed by JPK’s specialized team nationwide.