FIG. 20A shows a flat-pattern layout for a gable span 59, roof plate 36, and roof overlay 36A. The gable span 59 has an inner radius 59A on the curve 59B that allows it to clear molding, trim. wires, cable or other material that would prevent other connectors, such as a gable connector 34, from having a close fit to the edge of a gable and roof.