https://www.bunity.com/stay-dry-roofing-9d88fc4a-0c8d-44b3-9193-30bbd90827c2">https://www.bunity.com/stay-dry-roofing-9d88fc4a-0c8d-44b3-9193-30bbd90827c2. A high quality roof will have them set up all around the edge https://phoenixihoe735726.blogdiloz.com/38196171/an-unbiased-view-of-stay-dry-roofing