This is basically home-made siding made out of aluminum coil. Though it takes a while to make, it allows for a finish that will last for years as seen in the video. The first project shown had 12’ pieces at the tallest point in the gable. We’ve gone through many temperature changes and lots of 65 mph wind storms over the last decade. One builder I work with liked using this siding detail to separate gables from the horizontal siding. The nice part of this method is that there’s very little waste