Ponding Water On A Flat Roof

Ponding water on a flat roof may cause long term negative effects.

Ponding water on a flat roof.

This is especially prevalent after a lot of rainstorms. This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof. The ponding or standing water can. Flat roofs by their very nature will collect some water when it rains.

Roofs with higher slopes are less prone to this issue as the water is able to drain down the roof rather than sitting stagnant as it does with some flat roofs. After any rainfall lands on a flat roof water will begin to pool. However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate. Roofs should be constructed in such a way that all water drains within 48 hours of the rain stopping.

If water is backing onto the roof clean out the gutters to restore proper water flow. Ponding occurs when after a storm or heavy rain water collects in pools on the roof. Of course no roof is ever really flat. This can be done professionally or by homeowners who have access to a ladder and a power washer or a hose with.

So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it. Ponding water might not be an immediate threat but if it is allowed to persist over time that water can begin to wear on the roofing membrane. How to fix ponding on a flat roof depends on the cause of the ponding. Reduce the longevity of the roof increase exposure of the ponding area to damaging ultraviolet rays collect dirt lead to faster deterioration of the roof s coatings and materials encourage growth of vegetation such as moss algae and plants lead to a leaking.

It may also void your warranty. Thankfully there are a few different tactics that you can employ to resolve those ponding water issues on your flat roof. If your commercial building has a flat roof sometimes there is a problem with ponding water. Most pools of water will quickly drain off or even evaporate but owners should be aware of the signs that ponding has become an issue.

It s recommended that your. Common problems caused by flat roof ponding. On a performing flat roof ponding water is not a problem as it will drain or even evaporate away. This leads to a decline in the membrane s lifespan and can lead to things like leaks which can cause serious problems for the rest of the building.

Still after heavy rains or snow pools of water can form on flat roofs. When speaking about ponding on roofs we are referring to the pooling of water in areas of the roof that doesn t drain or evaporate. Ponding water on a flat roof unblocking and cleaning youtube maintenance of your flat roof is essential as rubbish can be washed down to the outlet and block it up. A more appropriate name is low slope roof because even flat roofs have a slight slope to encourage positive drainage.