Should Flat Roofs Hold Water

The most common reason that flat roofs hold or pond water is because of inadequate or obstructed drainage.

Should flat roofs hold water.

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. It has a very low slope between 1 4 to 1 2 inch per foot so that it drains water. Flat roofing is not actually flat. Even flat roofs contain a slight slope to maintain positive drainage.

The design of a flat roof can sometimes prevent rain and precipitation water from draining properly making standing water a common problem. The consequences of your flat roof collecting standing water. Roof systems are simply not designed to hold water. Leaving water on a flat roof for less time can help minimize roofing damage.

There s a problem with flat roofs. By their very nature flat roofs do not completely drain after it rains. Water does not run off of it very easily. There can be a host of reasons why ponds of water may appear on your roof after bouts of rain so it s important to know what remedial action to take if your property is suffering.

However puddles 1 or more inches deep that linger for days can indicate a significant problem with draining.