Quick dam flood barrier for metro water divert

Previously people used sandbags to stop the water in front of the door. But it is hard to store as the sand filled bags are hefty to carry also spend room. Industry Superstore flood box-wall is only 3.8kgs per pc; they can be piled on each other to save space. One person can build a 10 meters temporary dam within one minute.

Flood barrier straight board DZ50 specification