Right now, my design calls for 4x8 Hemlock rafters joined and pegged at the peak, meeting the plate with a birds mouth, and then reduced to 4x4 tails that can extend beyond that.
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The above information is not accurate. My plans right now call for the lower ends of the rafters to be step-lapped, NOT use a birdsmouth. The dimensions of the step lap are 2"x2".Sorry.
