Thanks in advance for any help. I'm building a house in South Louisiana with a 6/12 gable roof that changes to a 3/12 roof for about 10 ft. to cover a porch in front. Are there any special details to handle the change in pitch when using 3 tab shingles? Metal flashing? Doubling up on the felt? Roofing membrane? Should I lay out the courses to end or begin at the intersection of the two pitches? I'm doing the roof myself and haven't talked to any roofers.
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