It s designed to divert water preventing it from pooling and causing damage over time.
Skylight roof cricket.
Mark the height of the cricket on the back edge of the chimney.
Or preventing dangerous ice dams from forming.
This way you can get the precise fit fr your chimney or skylight every time.
The height should be at least as high as the slope in order to direct water away from the chimney so if the slope is 4 in 12 place.
Riverside custom fabricates all crickets sold.
A well flashed joint with a cricket from riverside is key in avoiding any problems.
Cricket or saddle coverings shall be sheet metal or of the same material as the roof covering.
Crickets are normally but not always sold in conjunction with chimney flashing kits.