If your commercial building has a flat roof sometimes there is a problem with ponding water.
Ponding water on flat roof.
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.
The ponding or standing water can.
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 occurs when after a storm or heavy rain water collects in pools on the roof.
This is especially prevalent after a lot of rainstorms.
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.
Flat roofs by their very nature will collect some water when it rains.
This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof.
On a performing flat roof ponding water isn t a problem as it will just drain away.
Roofs should be constructed in such a way that all water drains within 48 hours of the rain stopping.
Common problems caused by flat roof ponding.
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.
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.
Start from the beginning in extreme cases ponding may be a result of poorly installed or designed roofing.
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.
It may also void your warranty.
This can cause issues including.
And standing water on a flat roof is a common problem.
Ponding is the phenomenon of water pooling on flat roofs after storms snow melts or heavy rains.
The water may seep into the roofing material and cause damage inside cause.
However excessive ponding threatens your roof.
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.
However when your flat roof has uneven areas an insufficient slope or drainage issues the water doesn t dissipate.
