Flat Roof Standing Water

If your commercial building has a flat roof sometimes there is a problem with ponding water.

Flat roof standing water.

However standing water that stays for more than two days can be very problematic for the roof membrane because it can void your roof s warranty. This article will explain the consequences of your flat roof collecting. Occasional minor ponding on a roof doesn t really create problems that much. Flat roofs by their very nature will collect some water when it rains.

However puddles 1 or more inches deep that linger for days can indicate a. Leaving water on a flat roof for less time can help minimize roofing damage. It is is very important to correct this issue before it becomes irreversible and costly repair follows. How to fix water puddling on a flat roof.

So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it. The design of a flat roof can sometimes prevent rain and precipitation water from draining properly making standing water a common problem. Having some standing water on a roof can be so stressful. How to fix ponding on a flat roof depends on the cause of the ponding.

This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof. However excessive ponding threatens your roof. Puddles or ponding water is water from rainstorms and snow melts that collects on a flat roof and doesn t drain or evaporate after 48 hours. Long term effects of ponding water on a flat roof.

This is especially prevalent after a lot of rainstorms. How much more when the type of roof that you have is a flat one. However when your flat roof has uneven areas an insufficient slope or drainage issues the water doesn t dissipate. By their very nature flat roofs do not completely drain after it rains.

The weight of the water pooling on a roof can cause the joists to bow and in turn cause more water to accumulate. The water pools after days or hours of steady precipitation due to a variety of causes such as a clogged drain or structural issues that inhibit drainage. And standing water on a flat roof is a common problem. After the 2 days the water is going to start sinking into the roof system.

This can cause issues including. Standing water on a flat rooftop is a problem since rooftops are designed to quickly drain out any water as soon as possible so it does not leak into cracks and passageways. On a performing flat roof ponding water isn t a problem as it will just drain away. It may also void your warranty.

This means that once the rain stops you have about 2 days to get rid of the standing water or puddles that are on the roof.