Roof Crickets Slope

If the drainage points rest in the middle of the roof as seen in photo 1 a cricket is built on both sides of the low point on the existing slope creating a diamond shaped pattern.

Roof crickets slope.

Cricket panel slope is typically double the roof surface slope. Jason smithpeterson dean roofing inc. A roof cricket is a ridge structure designed to divert water on a roof. The functionality of the cricket is determined by the cricket valley slope.

A cricket or saddle is a ridge structure designed to divert water on a roof around the high side of a chimney or the transition from one roof area to another the cricket is normally the same pitch as the rest of the roof but not always. I e if the roof surface slope is 1 4 ft the cricket panel slope should be 1 2 ft there are exceptions to this rule please call us for further information. We were able to make new crickets to the existing roof membrane providing positive water flow to the drains. Depending on the roof surface slope there is an accepted maximum length to width ratio.

Columns beams and supporting walls usually occupy the low points forcing drain placements to be moved further up hill. Roof slope created a simple and great fix to a project were crickets were missed and ponding water became an issue for an owner. The roof cricket is normally the same pitch as the rest of the roof but not always. Then we were able to correct the owner s ponding water concerns.

Installing a roof cricket. The manufactured slope of the cricket panel. Roof crickets are found on the high side of a chimney or when one roof meets another. Without crickets the area between the drain and the wall remains low and collects water.

Place the side that you cut the slope into flat against the surface of the roof with the uncut end of the board against the back of the chimney. Cricket valley slope is independent of the cricket material slope. Since roof drains are rarely placed in the lowest point of a structural sloping roof deck crickets are usually needed. Smaller crickets are covered with metal flashing and larger ones can be covered with the same material as the rest of the roof.

Roof crickets can be covered with metal flashing or with the same material as the rest of the roof.