That way your water tight on that side and still have continuous hip ridge on that outside which is the side most viewable from the ground.
Roof cricket vs roof saddle.
This is a device that covers the back edge of the chimney forcing the water to flow around the chimney.
2x8 sleepers should be nailed to the roof surface to pick up the ends of the rafters.
The pictures he pulled up is what i normally call a saddle behind a chimney for example though i have heard those called crickets as well.
When is a cricket or saddle required on a roof.
Thursday september 12 2019 according to the residential edition of the florida building code r903 2 2 and the international building code ibc the high side of any chimney or other roof penetration that is more than 30 inches wide requires a cricket or saddle.
The hip ridge detail is simple you weave the ridge cap into the field shingles on the cricket saddle dead valley side probably the first three would do but sometimes four or five are needed.
This beam will provide the backbone for the cricket or saddle.
Without a cricket or diverter.
The cricket or saddle basically rests on top of the house roof to visually extend the porch roof gracefully into the house roof.
A roof cricket has nothing to do with insects but everything to do with leakproofing around a chimney or similar vertical opening.
You can prevent this from happening by building a roofing cricket sometimes called a saddle.
You will need to use compound miter cuts for the cricket rafters.