Should Flat Roofs Hold Water

Water does not run off of it very easily.

Should flat roofs hold water.

The consequences of your flat roof collecting standing water. Roof systems are simply not designed to hold water. Flat roofing is not actually flat. There s a problem with flat roofs.

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. By their very nature flat roofs do not completely drain after it rains. 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. Collect dirt which may cause the growth of vegetation or telegraph mud cracking to the roof below.

The most common reason that flat roofs hold or pond water is because of inadequate or obstructed drainage. Even flat roofs contain a slight slope to maintain positive drainage. However puddles 1 or more inches deep that linger for days can indicate a significant problem with draining. It has a very low slope between 1 4 to 1 2 inch per foot so that it drains 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.