During building fires is often necessary to deliver nozzles with water to the desired
point of intervention and the wall or ceiling must be penetrated for energy supply and
the entrance of persons. Access openings for extinguishing are created with hand tools or
explosives, but it is a very time-consuming activity and fragmented material may endanger
persons. Another possibility is the use of charges with a water layer, which absorbs
the shock wave of the explosion at the back and at the same time significantly suppresses
the fragmentation of the building element on which the charge acts. The penetration
charge developed in two versions allows a sufficient penetration of the partitio
