https://johnnylist.org/Stay-Dry-Roofing_323476.html">https://johnnylist.org/Stay-Dry-Roofing_323476.html. A quality roofing will certainly have them mounted all around the edge of the roofline, where vertical walls meet https://mohamadfcmu259761.uzblog.net/rumored-buzz-on-stay-dry-roofing-53089940