https://telegra.ph/Because-a-Strong-Roof-Isnt-a-LuxuryIts-a-Necessity-01-19">https://telegra.ph/Because-a-Strong-Roof-Isnt-a-LuxuryIts-a-Necessity-01-19. A quality roof covering will have them installed around the edge https://donnacwlg973411.thechapblog.com/38432046/how-stay-dry-roofing-can-save-you-time-stress-and-money