Ponding Water On Flat Roof

It may also void your warranty.

Ponding water on flat roof.

If your commercial building has a flat roof sometimes there is a problem with ponding water. Pools should drain away without causing any damage to the structure but owners and managers should know when to take action how to identify the cause of the ponding and how to resolve it. So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it. On a performing flat roof ponding water isn t a problem as it will just drain away.

And standing water on a flat roof is a common problem. The ponding or standing water can. Ponding on a flat roof refers to when water collects and creates small pools or ponds while most of these small pools eventually drain off or even evaporate over a few hours it can become problematic when pooling water stands on top of a roof for 2 days or more. Degrading roofing materials particularly on older modified and built up roofs extra stress and damage to the load bearing structure due to the extra weight of the water in winter freezing standing water will expand causing more damage where seams overlap.

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. 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. What can you do about ponding water on your flat roof. However excessive ponding threatens your roof.

Roofs should be constructed in such a way that all water drains within 48 hours of the rain stopping. This can cause issues including. This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof. However when your flat roof has uneven areas an insufficient slope or drainage issues the water doesn t dissipate.

Start from the beginning in extreme cases ponding may be a result of poorly installed or designed roofing. Give the drains some tlc if the ponding is a result of blocked roofing drain systems a roofing professional will assist. Common problems caused by flat roof ponding. The water may seep into the roofing material and cause damage inside cause.

Flat roofs by their very nature will collect some water when it rains. Ponding occurs when after a storm or heavy rain water collects in pools on the roof. This is especially prevalent after a lot of rainstorms.