https://www.freelistingusa.com/listings/stay-dry-roofing-3">https://www.freelistingusa.com/listings/stay-dry-roofing-3. A high quality roof will have them installed around the edge of the roofline, where upright walls https://haarishsqw666845.blog5star.com/39916194/some-ideas-on-stay-dry-roofing-you-should-know