The Joesco blast wall,also known as the lock sandbag,is a multilayer barrier system made of welded zinc-al coated wire mesh connected to a vertical helical joint.The unit is lined with heavy duty non-woven polypropylene geotextiles.Has the ability to resist the blast wave,can limit the damage of the explosion within a certain range of damage.

    When added and filled, the system can be used to create excellent strength and structural integrity barriers.All standard barrier products are pre-assembled and shipped via connection pins to connect the units and then fill the available materials with minimal manpower and common equipment.