https://www.provenexpert.com/stay-dry-roofing6/">https://www.provenexpert.com/stay-dry-roofing6/. A quality roofing system will have them set up all around the edge of the roofline, where upright walls satisfy the roof https://jeanaiks865763.smblogsites.com/39631936/what-does-stay-dry-roofing-mean