An inspector will know how much ponding is acceptable on a flat roof.
Ponding on new flat roof.
You can also perform preventative maintenance to ensure that the membrane stands the test of time.
Skip straight to solutions or read on to learn more about the common problems caused by ponding.
Ponding is caused by a range of factors including.
However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.
Ponding problems for flat roofs.
How to fix ponding on a flat roof depends on the cause of the ponding.
The coating begins to break down under the harmful uv rays of the sun which heats the ponding water on the rooftop.
After any rainfall lands on a flat roof water will begin to pool.
It may also void your warranty.
This can cause damage to the roof structure dirt and debris to collect and increased algae growth.
However when your flat roof has uneven areas an insufficient slope or drainage issues the water doesn t dissipate.
So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it.
The ponding of water on a flat roof exposes the roof coatings to prolonged moisture.
On a performing flat roof ponding water isn t a problem as it will just drain away.
The grp flat roof has standing water or is ponding water into one area.
This is known as ponding and it can bring a range of potential problems.
So what are the problems associated with ponding on a flat roof.
On a performing flat roof ponding water is not a problem as it will drain or even evaporate away.
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.
A sagging roof deck.
Flat roofs by their very nature will collect some water when it rains.
However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.
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.
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.
Well there are many including.
However excessive ponding threatens your roof.
This can cause issues including tip.
On a performing flat roof ponding water is not a problem as it will drain or even evaporate away.
Standing water affects the stability of the roof s coating over time.
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.