https://freeseolink.org/Stay-Dry-Roofing_395422.html">https://freeseolink.org/Stay-Dry-Roofing_395422.html. A top quality roof will have them set up around the side of the roofline, where vertical walls meet the roof https://aishadzsu802607.spintheblog.com/39903697/some-known-factual-statements-about-stay-dry-roofing