Roof Crickets Slope

Installing a roof cricket.

Roof crickets slope.

Then we were able to correct the owner s ponding water concerns. We were able to make new crickets to the existing roof membrane providing positive water flow to the drains. Roof crickets can be covered with metal flashing or with the same material as the rest of the roof. The industry rule of thumb is that the cricket panel slope should be twice that of the roof surface slope.

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. Cricket panel slope is typically double the roof surface slope.

Columns beams and supporting walls usually occupy the low points forcing drain placements to be moved further up hill. Crickets are also often referred to as saddles in this context. 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. 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.

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. The roof cricket is normally the same pitch as the rest of the roof but not always. Drill pilot holes through the top edge of the. Depending on the roof surface slope there is an accepted maximum length to width ratio.

A roof cricket is a ridge structure designed to divert water on a roof. The manufactured slope of the cricket panel. Roof crickets are found on the high side of a chimney or when one roof meets another. The functionality of the cricket is determined by the cricket valley slope.

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.