Water Pooling On My Flat Roof

Contractors installed new flat roof above shower room and kitchen extension with no insulation.

Water pooling on my flat roof.

The design of a flat roof can sometimes prevent rain and precipitation water from draining properly making standing water a common problem. If your commercial building has a flat roof sometimes there is a problem with ponding water. This is why it s imperative that you don t allow water to pool on the roof for more than 48 hours after rainfall. These areas typically are near chimneys or around large vents.

This becomes more and more expensive as time goes on. This is done by not allowing the water to pool. There should be adequate fall to allow surface water to run off and the drainage should be sized accordingly. The best way to battle water ponding in these areas is to install roof crickets in those areas.

Your goal is to prevent damage to the flat roof. By their very nature flat roofs do not completely drain after it rains. This is especially prevalent after a lot of rainstorms. When it comes to pooling on your flat roof you might find that the water ponds in specific areas.

However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate. How to fix water puddling on a flat roof. How to prevent damage. I had my flat roof re covered with epdm roof covering recently however one corner has a continuous pool of water.

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. Long term effects of ponding water on a flat roof. Water pooling on flat roof. The grp flat roof has standing water or is ponding water into one area.

On a performing flat roof ponding water is not a problem as it will drain or even evaporate away. Standing or ponding water is a regular occurrence with flat roofing in general but one that will not affect the performance of the grp roofing surface. This article will explain the consequences of your flat roof collecting. I ve recently had two flat roofs replaced with a 3 layer torched bitumen system.

However puddles 1 or more inches deep that linger for days can indicate a. A in a nutshell if a flat roof has been newly laid it shouldn t be pooling at all.