https://www.openlearning.com/u/staydryroofing-t93m0l/about/">https://www.openlearning.com/u/staydryroofing-t93m0l/about/. A quality roofing will have them set up all over the side of the roofline, where vertical wall https://haarisxphd113146.ezblogz.com/71127854/facts-about-stay-dry-roofing-uncovered