https://anotepad.com/note/read/qh45t2ki">https://anotepad.com/note/read/qh45t2ki. A high quality roof will certainly have them installed all around the edge of the roofline, where upright walls satisfy the roofing https://jemimacloy223078.bloggazza.com/38312555/the-only-guide-to-stay-dry-roofing