2x8 sleepers should be nailed to the roof surface to pick up the ends of the rafters.
Roof crickets and saddles.
Here s the code citation.
Installing a roof cricket.
Smaller crickets are covered with metal flashing and larger ones can be covered with the same material as the rest of the roof.
You will need to use compound miter cuts for the cricket rafters.
A roof cricket is a ridge structure designed to divert water on a roof.
The cricket or saddle basically rests on top of the house roof to visually extend the porch roof gracefully into the house roof.
Skylights installed per code are the only exception.
The roof cricket is normally the same pitch as the rest of the roof but not always.
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.
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.