Ponding On New Flat Roof

However when your flat roof has uneven areas an insufficient slope or drainage issues the water doesn t dissipate.
Ponding on new flat roof. It may also void your warranty. If you own a residence or a commercial property with a flat roof you may have different concerns regarding protecting the roof system and maintaining the value of your property. So what are the problems associated with ponding on a flat roof. After any rainfall lands on a flat roof water will begin to pool.
The ponding of water on a flat roof exposes the roof coatings to prolonged moisture. A sagging roof deck. If the water does not drain within a 48 hour period it is highly likely that it will stay even longer and there will be a larger amount of water standing. Well there are many including.
Flat roofs by their very nature will collect some water when it rains. This is known as ponding and it can bring a range of potential problems. On a performing flat roof ponding water is not a problem as it will drain or even evaporate away. Ponding problems for flat roofs.
However excessive ponding threatens your roof. The coating begins to break down under the harmful uv rays of the sun which heats the ponding water on the rooftop. However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate. To specifically define the terms ponding or standing water refers to when water has not drained off the roof and has formed puddles or ponds 48 hours following the reason for the water.
Skip straight to solutions or read on to learn more about the common problems caused by ponding. This can cause issues including tip. 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. However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.
True all property owners need to stay vigilant regarding water intrusion but ponding is a worry only those buildings with a flat roof are likely to experience. On a performing flat roof ponding water isn t a problem as it will just drain away. Standing water affects the stability of the roof s coating over time. Common problems caused by flat roof.
How to fix ponding on a flat roof depends on the cause of the ponding. 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 is not a problem as it will drain or even evaporate away. Bring in a roofing contractor to perform an inspection once or twice a year to ensure that the membrane is holding up and not worn or damaged in areas.
The grp flat roof has standing water or is ponding water into one area. This can cause damage to the roof structure dirt and debris to collect and increased algae growth.