The StrongWall barrier is heavy-duty, robust and strong. This plastic barrier wall provides safe access for pedestrians through highways and construction works. This construction barrier has an 18kg base, made from recycled plastics, which weights the barrier for strong stability. The walls of the plastic construction barrier interlock to prevent being dismantled or tampered with. The new DDA base, originally developed in the U.S.A., is a winning solution for wheelchair users (according to research Oxford Plastics conducted at the University of East Anglia, 2017).