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 high quality roofing will have them mounted all around the edge https://abeldays013748.targetblogs.com/39873128/the-3-minute-rule-for-stay-dry-roofing