Flat roofs. Are they supposed to have water after rain and it evaporates? Or does the flat roof have something on it to help standing water drain?
In: Other
Flat roofs have very slight elevation shifts that help water flow to scupper boxes along the edges or drains located in the middle of the surface, which then connect to gutters to drain out water. There may still be some ponding (what it’s called when there are puddles of water left after rain, etc) but not inches of standing water.
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