https://www.awwwards.com/staydryroof/">https://www.awwwards.com/staydryroof/. A quality roof covering will certainly have them mounted all over the edge of the roofline, where upright walls fulfill the roofing system https://sidneybyqk953344.shotblogs.com/not-known-incorrect-statements-about-stay-dry-roofing-53529260