https://linktr.ee/staydryroof">https://linktr.ee/staydryroof. A quality roofing will have them mounted all over the edge of the roofline, where vertical walls fulfill the roofing slope, around pipelines that stick up https://henrivqep268143.sharebyblog.com/39414481/the-best-strategy-to-use-for-stay-dry-roofing