“Gentle fixtures, lovers, vents and skylights are almost always at the bottom position. If a house has a leak in the roof or if elevated appliances for instance HVAC models start to leak, gravity does the rest of the do the job and brings the water pooling into these spots.” https://sophisticatedroofingexper63168.daneblogger.com/32847046/sophisticated-roofing-expertise-can-be-fun-for-anyone