Roof Cricket Slope

Roof slope created a simple and great fix to a project were crickets were missed and ponding water became an issue for an owner.

Roof cricket slope.

Cricket panel slope is typically double the roof surface slope. The functionality of the cricket is determined by the cricket valley slope. Installing a roof cricket. 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.

Roof crickets are found on the high side of a chimney or when one roof meets another. Mark the height of the cricket on the back edge of the chimney. The roof cricket is normally the same pitch as the rest of the roof but not always. 2 1 2 12 minimum roof slope for clay and concrete tile.

Below are some. Crickets are also often referred to as saddles in this context. We were able to make new crickets to the existing roof membrane providing positive water flow to the drains. The manufactured slope of the cricket panel.

Quicket material slope of per foot combines with and reverses the deck slope to net a per foot finished slope. Typically that will keep water from remaining on the cricket surface. A general rule for designing sufficient slope in crickets is that its slope shall be twice the slope of the adjacent roof field. Quicket is engineered to elevate the membrane surface as the distance increases away from the roof drains and scuppers.

The industry rule of thumb is that the cricket panel slope should be twice that of the roof surface slope. When designing a cricket two items need to be designed slope and configuration of the cricket. 3 12 minimum roof slope for metal roof panels with nonsoldered seams without applied lap sealant metal shingles and wood shingles. Depending on the roof surface slope there is an accepted maximum length to width ratio.

The shaded cells once again represent a properly designed cricket based on our previously stated criteria providing a slope of 1 8 inch per foot plus or minus 10 percent. Then we were able to correct the owner s ponding water concerns. Figure 3 shows cricket valley slope calculations to acheive that 1 8 per foot standard. 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.

And 4 12 minimum roof slope for slate and wood shakes. 2 12 minimum roof slope for asphalt shingles photovoltaic pv shingles and building integrated pv. Most commercial building codes require per foot slope of the membrane. When the chimney is at the bottom of a roof slope or has roof sloping into it i always install a cricket.

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