It has a very low slope between 1 4 to 1 2 inch per foot so that it drains water.
Should flat roofs hold water.
There s a problem with flat roofs.
Collect dirt which may cause the growth of vegetation or telegraph mud cracking to the roof below.
By their very nature flat roofs do not completely drain after it rains.
Leaving water on a flat roof for less time can help minimize roofing damage.
The consequences of your flat roof collecting standing water.
The design of a flat roof can sometimes prevent rain and precipitation water from draining properly making standing water a common problem.
Ponding water is typically a sign of a drainage problem that needs to be addressed because when left unaddressed ponding water on a roof can.
Roof systems are simply not designed to hold water.
However puddles 1 or more inches deep that linger for days can indicate a significant problem with draining.
But such a low slope holds snow and water much longer than a steeply pitched roof and therefore needs a very different material to stay watertight.
Even flat roofs contain a slight slope to maintain positive drainage.
Water does not run off of it very easily.
The good news is that this cause of ponding water is usually the easiest to correct with scheduled roof maintenance.