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Snake Fencing

Snake fencing products have been used nuclear power stations, flood alleviation projects and road and rail schemes across the Country. This system is designed to be used in areas where vegetation management is not possible along fence lines and where additional height is needed to prevent snake access. Herpetosure snake fencing has an above ground height of 900mm and panels are supplied in three metre lengths.


Temporary fence panel size; 3000 X 1200 X 4mm light brown recycled polypropylene panels Permanent fence panel size; 3000 X 1200 X 5mm light brown recycled polypropylene panels


300mm vertically below ground, 825mm vertically above ground and supported with timber stakes (Optional).


Density Kg/m3 930 Tensile strength (Mpa) N/mm2 26.0 Elongation at break % 460 Flexural yield strength (Mpa) N/mm2 42.0 Flexural modulus (Mpa) N/mm2 1250 Linear Thermal expansion mm/m/°c 0.150 Surface spread of flame Class 3


The fence panels are fitted either into a 300 x 50mm slit created by a V backed sub soiler or “wiz” plough pulled by a tractor or in a trench excavated using a chain trencher or mini digger. Alternatively, if necessary, the trench is dug by hand. The preferred method for best results and most efficient fitment is the slitting method, where conditions suit. Once the panels are sited the slit is closed up by driving back along the line of the fence with a tractor, vehicle or compacted by hand. This creates a total seal between the soil and panels, which are fitted to the side of the trench nearest to the relevent population or the inside if a containment area. The panels are overlapped by 50mm then secured by aluminium blind rivets along the overlap joint and supported by stakes. Panels can be cut down or the overlap increased to allow for uneven ground or contours.

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