https://stay-dry-roofing.jimdosite.com/">https://stay-dry-roofing.jimdosite.com/. A high quality roofing will have them mounted throughout the side of the roofline, where vertical walls meet the roof covering slope, https://katrinahzsp852169.blogpayz.com/39789566/7-easy-facts-about-stay-dry-roofing-explained