Installation procedure :

• NTG road barrier must be placed on flat, stable and compacted surfaces capable of use by road vehicles.
• Unstable surfaces such as deep mud, uncompact sand or excessively wet surfaces are unsuitable.
• Alternation between red and white barriers is mandatory to avoid causing optical confusion of drivers.
• NTG  road barriers must be interconnected and filled up to 50 % (max.) of their volume with water or sand to act s a shock absorber.