https://go.bubbl.us/ef8bbe/1136?/Stay-Dry-Roofing">https://go.bubbl.us/ef8bbe/1136?/Stay-Dry-Roofing. A quality roof will certainly have them set up all around the side of the roofline, where upright walls meet the roof https://junaiddepo115062.laowaiblog.com/38261454/the-facts-about-stay-dry-roofing-revealed