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