https://www.freelistingusa.com/listings/stay-dry-roofing-3">https://www.freelistingusa.com/listings/stay-dry-roofing-3. A top quality roofing system will have them installed around the side of the roofline, where https://kathrynzspp844345.bloggactif.com/40952751/what-does-stay-dry-roofing-do