Intersecting Roofs Different Pitch

We wanted to make the porch roof as steep as possible while keeping the peak of the roof below the wall to roof intersection at the top of the shed roof.

Intersecting roofs different pitch.

Explore framing complexities that result when roofs of two different pitches intersect. Their steeper pitch also evokes a more minimal design and the materials used to make a skillion roof including metal tend to be slick unlike the bulkier shingles or tiles of a classic. Their steep pitch also lets water run off easily ultimately reducing the need for additional waterproof roof treatments that lower pitched roof types require. Does anyone know of a tutorial for different intersecting roof pitches.

The roof has two valleys of different pitches of which the lines n l k are the seats or runs. I have a farmhouse design i am working on where i want my main body roof to be 6 12 and a couple gables facing the front to be 12 12. With this method and a framing square you can join roofs of different pitches and still have perfectly aligned equal width soffits a builder describes how he uses a framing square and full scale layout to solve this tricky problem. After a taking some measurements and doing a bit of ciphering we established that the steepest pitch we could use on the porch roof was 4 in 12.