Interlocking concrete blocks that can be used to assemble a safety perimeter around a testing area.
The access door is normally replaced by a "Labyrinth walk", but on request it is possible to supply an access steel door with a safety block device.
Final painting can be performed after assembling according to customer preferences.
In literature, a 600 mm concrete wall thickness is able to resist to the highest bullets proof tests according to UNI EN 1522 - FB7 class.