Defensive Barriers is one quickly built securiy bastion wall which engaged in protection against damages from mortar bomb and rockets. The popular filling material is not only the sand, earth and gravels, but also any sediments could be filled. So the defensive barrier is also called as flood barrier which acts a crucial role to control flood around the beach.
As the defensive barriers being a protection wall, it can efficiently resist the shock wave and limit explosive damage to the wall to a certain range. Due to the gabion sand wall has a stable structure, using it to build fort or checkpoint is a good choice. When the defensive barriers arrive at the project site, you just need to unfold the packed bastion barriers and command the excavators to fill it up with sand. Then the defensive barriers & protection bastion sand wall will be appeared.