Should Flat Roofs Have Puddles

Flat roofs should always have a slight pitch for quick drainage of rainwater but sunken areas that create puddles can appear from time to time.

Should flat roofs have puddles.

By lori lapierre by their very nature flat roofs do not completely drain after it rains. We can stop your flat roof having puddles now. However puddles 1 or more inches deep that linger for days can indicate a significant problem with. According to the national roofing contractors association pooled water in excess of 48 hours can start to become problematic.

When these sunken areas appear it s important to examine the problem carefully and determine if it is related to structural damage. Not only in the long term can it cause structural damage from the weight of the puddles but in the short term the puddles may cause leaks. After the 2 days the water is going to start sinking into the roof system. They normally will have at least a inch to a foot slope and many roofers prefer more.

Long term effects of ignoring ponding water on a flat roof by ignoring long term ponding water on a commercial flat roof you increase the odds of having serious roofing problems. This means that once the rain stops you have about 2 days to get rid of the standing water or puddles that are on the roof. Home exterior roof flat roofs water puddling or standing on flat roof many so called flat roofs have some ponding.