Cricket Behind Chimney. This cricket sheds rain water away from the chimney rather than allowing it to beat down onto the side of the chimney that is the most susceptible to water penetration. This area is the least noticeable from the ground yet likely has more.
When a chimney cricket is properly built it will have ice and water shield behind it. Another and more important chimney cricket is the one that is built on the upper back side of a chimney. With a peak that keeps water and debris away from your chimney this piece of flashing protects your chimney from water leaking into its bricks and mortar.
This cricket sheds rain water away from the chimney rather than allowing it to beat down onto the side of the chimney that is the most susceptible to water penetration.
For example 8 12 roof will be 8 inches vertical to 12 inches horizontal. Chimney venting services. The importance of proper cricket flashing behind chimney roof valley. Building a cricket on an existing chimney.
