I had our metal roofing ... attach the gable trim. This cleans up the edge of the panel and keeps rain and snow from getting under the roof panels and siding. After you bend the end of the trim ...

The systems have specially designed starter strips, valleys, gable trim ... as much as low-end three-tab asphalt shingles, which start at $35 to $40 per square, metal roofs last 50 years or ...