A roof cricket is a sloped backing that diverts water away from the chimney and down the roof. A roofer builds a roof cricket out of wood and then adds metal flashing or asphalt shingles on top. During installation, the roofer incorporates the chimney cricket into the chimney flashing system.
Starting in 2012, the IBC (International Building Code) made it a code that chimneys over 30 inches wide must have a cricket installed perpendicular to the slope of the roof. If you have an older roof, you might not have a cricket installed. But when it’s time to replace your roof, a cricket needs to be installed to ensure your roof is up to code.
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Crickets are triangular structures designed to divert water away from areas of a roof that may collect water. In residential roofing, we tend to think of chimneys as the prime example – chimney cricket. Here you would place a cricket behind the chimney in a triangular pattern so water doesn’t collect behind it.
Cricket is framed wooden in a triangular form that is installed over the pitched, flat roof. You can spot the roof crickets on the chimney high or the intersection between roof areas. Normally, the roof cricket will be designed in the same pitch as the roof, but it is not always necessary.
Cricket is sometimes also referred as saddle. So, what is a cricket in roofing actually? It is the part of the roof that covers chimney edge at the back.
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A cricket or saddle is a ridge structure designed to divert water on a roof around the high side of a large penetration, typically a Skylight, Equipment Curb, or chimney. In some cases, a cricket can be used to transition from one roof area to another. On low-slope and flat roofs with parapet walls, crickets are commonly used to divert water to the drainage, against or perpendicular to the main roof slope.
A roof cricket is a ridge structure, designed to divert water on a roof. Roof crickets are found on the high side of a chimney, or when one roof meets another. Roof crickets can be covered with metal flashing or with the same material as the rest of the roof .
In building construction, a cricket is a peaked roof shape constructed behind a chimney on a sloped roof, and perpendicular to the main roof, to avoid water and debris accumulation at the back of the chimney.