“Light-weight fixtures, followers, vents and skylights are nearly always at the lowest stage. If a property provides a leak in the roof or if elevated appliances like HVAC units begin to leak, gravity does the remainder of the do the job and delivers the drinking water pooling into these spots.” https://stephenvhcvx.anchor-blog.com/14097869/sophisticated-roofing-expertise-can-be-fun-for-anyone