Fire-fighting device

A fire-fighting device for a vertical wall having a profiled element that extends generally horizontally from the vertical wall and that directs water that flows down the vertical wall away from the vertical wall, the fire-fighting device including a guide plate that comprises:

• a first region disposed above the profiled element and extending generally horizontally;
• a second region disposed below the profiled element and extending generally horizontally;
• a third region connecting the first and second regions, wherein the third region is disposed outward of the profiled element relative to the vertical wall;
• a fourth region that extends from the second region and is spaced apart from the vertical wall,
• wherein the first, second, third, and fourth regions form a channel that redirects water that has been directed away from the vertical wall by the profiled element toward the vertical wall.