However excessive ponding threatens your roof.
Ponding on new flat roof.
The grp flat roof has standing water or is ponding water into one area.
The ponding of water on a flat roof exposes the roof coatings to prolonged moisture.
However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.
It may also void your warranty.
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.
This can cause damage to the roof structure dirt and debris to collect and increased algae growth.
You can also perform preventative maintenance to ensure that the membrane stands the test of time.
Ponding problems for flat roofs.
On a performing flat roof ponding water is not a problem as it will drain or even evaporate away.
However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.
The coating begins to break down under the harmful uv rays of the sun which heats the ponding water on the rooftop.
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.
So what are the problems associated with ponding on a flat roof.
This can cause issues including tip.
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.
An inspector will know how much ponding is acceptable on a flat roof.
Common problems caused by flat roof.
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.
However when your flat roof has uneven areas an insufficient slope or drainage issues the water doesn t dissipate.
Ponding is caused by a range of factors including.
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.
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.
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.
How to fix ponding on a flat roof depends on the cause of the ponding.
Well there are many including.
Standing water affects the stability of the roof s coating over time.