Ponding Water On Roof

Proper design installation and maintenance of roofing structures can prevent this condition and its associated problems.

Ponding water on roof. Ponding water can have major negative consequences regardless of the type of roofing system. How to fix ponding on a flat roof depends on the cause of the ponding. Flat roofs by their very nature will collect some water when it rains. If a large portion of the roof is ponding you can coat the entire roof with this product.

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. Determining the root cause of ponding water regardless of the formula roof coatings should never be an excuse to ignore ponding water issues. After any rainfall lands on a flat roof water will begin to pool. Every roof needs positive drainage which means water should flow off the roof within 48 hours.

However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate. If only certain areas are ponding we recommend that you apply two coats of our standard roof coating up to 12 inside the ponding water area. When water pools for longer periods of time it can indicate a serious problem. On a performing flat roof ponding water is not a problem as it will drain or even evaporate away.

Ponding is the phenomenon of water pooling on flat roofs after storms snow melts or heavy rains. It may also void your warranty. The water may seep into the roofing material and cause damage inside cause. However excessive ponding threatens your roof.

The adverse effects of ponding water on roofs can include. Ponding occurs when after a storm or heavy rain water collects in pools on the roof. So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it. Roofs should be constructed in such a way that all water drains within 48 hours of the rain stopping.

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. Water may accumulate on a low slope roof due to rain snow or runoff from rooftop equipment. 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. Ponding water is known in the roofing community as water that stands in a puddle on the roof for more than 48 hours at a time.

Ponding water is defined as the water which remains on a roof 48 hours or longer. 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.