Ponding On New Flat Roof

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

Ponding on new flat roof.

Skip straight to solutions or read on to learn more about the common problems caused by ponding. 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. However when your flat roof has uneven areas an insufficient slope or drainage issues the water doesn t dissipate. This is known as ponding and it can bring a range of potential problems.

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. So what are the problems associated with ponding on a flat roof. An inspector will know how much ponding is acceptable on a flat roof. Flat roofs by their very nature will collect some water when it rains.

Well there are many including. The grp flat roof has standing water or is ponding water into one area. How to fix ponding on a flat roof depends on the cause of the ponding. However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.

This can cause issues including tip. However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate. Ponding is caused by a range of factors including. After any rainfall lands on a flat roof water will begin to pool.

Standing water affects the stability of the roof s coating over time. 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. This can cause damage to the roof structure dirt and debris to collect and increased algae growth.

However excessive ponding threatens your roof. The ponding of water on a flat roof exposes the roof coatings to prolonged moisture. On a performing flat roof ponding water is not a problem as it will drain or even evaporate away. 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.

It may also void your warranty. The coating begins to break down under the harmful uv rays of the sun which heats the ponding water on the rooftop. You can also perform preventative maintenance to ensure that the membrane stands the test of time. Common problems caused by flat roof.

On a performing flat roof ponding water isn t a problem as it will just drain 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.