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This site requested Low Profile inground barriers with galvanized frames . These units have delivered over 3 yrs of reliable performance with very low maintenance.
Roadshark International supplied Low Profile in ground barriers (6 ft length) for an exit-only driveway. These Roadshark LP barriers lasted 3x longer than the equipment previously in use.
In Dec 2011 our Low Profile barriers were tested in Saudi Arabia against several other brands and our LP model was the only model that flattened all 4 tires of the test vehicle! No damage occurred to the Roadshark barriers! The nearest competitor flattened only 1 tire.
In April 2012, our LP barriers were tested with a reduced blade height of 8.5 cm (3.5 inches). The Roadshark LP model and LPC ( counterbalanced +weighted) model were tested and once again the test vehicle’s tires were flattened. Black rubber was left behind on the blades however the barriers were not damaged by the test!
In 2007 Roadshark supplied one-way, in ground road spike barriers at a military base. The previous contractor had installed equipment that was poorly designed and did not work (the thin blades were getting bent and jamming from normal use).
In their 6th year of service. Spring replacements have been every 9 months on average. These heavy duty barriers are still in use today (June 2012)!
