http://www.homebuildingandrepairs.com/framing/index.html Click on this link to learn more about roof framing and home building. Watch this video to find out one of the problems you could run into while blending a section of roof fill or what is also referred to as a California method of roof framing, into another conventional framed section of the roof. There will be times when the roof sheathing will be sticking up a little higher and might need to be ground down. However, you should check with your structural engineer or building and safety department, before doing something like this, just in case this method of framing is unacceptable. Feel free to visit our websites to learn more about construction, home repairs and renovation.