Ponding On New Flat Roof

The coating begins to break down under the harmful uv rays of the sun which heats the ponding water on the rooftop.

Ponding on new flat roof.

Ponding problems for flat roofs. This is known as ponding and it can bring a range of potential problems. The ponding of water on a flat roof exposes the roof coatings to prolonged moisture. How to fix ponding on a flat roof depends on the cause of the ponding.

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. On a performing flat roof ponding water isn t a problem as it will just drain away. On a performing flat roof ponding water is not a problem as it will drain or even evaporate away. This can cause damage to the roof structure dirt and debris to collect and increased algae growth.

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. On a performing flat roof ponding water is not a problem as it will drain or even evaporate away. However excessive ponding threatens your roof. 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.

Well there are many including. An inspector will know how much ponding is acceptable on a flat roof. This can cause issues including tip. Flat roofs by their very nature will collect some water when it rains.

Common problems caused by flat roof. Skip straight to solutions or read on to learn more about the common problems caused by ponding. Standing water affects the stability of the roof s coating over time. 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.

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. You can also perform preventative maintenance to ensure that the membrane stands the test of time. It may also void your warranty.

So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it. 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. A sagging roof deck.

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. Ponding is caused by a range of factors including.