Should Flat Roofs Have Puddles

Home exterior roof flat roofs water puddling or standing on flat roof many so called flat roofs have some ponding.

Should flat roofs have puddles. The slope should be a minimum of 1 in 80 but in practice a minimum slope of 1 to 40 should be used to allow for deflection of the roof and for normal building tolerances. There can be a host of reasons why ponds of water may appear on your roof after bouts of rain so it s important to know what remedial action to take if your property is suffering. Some flat roofs can hold a small puddle of water here and there especially big roofs but if done to a good standard and the epdm up to scratch small puddles won t cause a problem. As a result flat roofs are notorious for developing ponding water.

By lori lapierre by their very nature flat roofs do not completely drain after it rains. If it s holding a lot of water this is not good amd firings should have been installed. It s really depends how much water the roof is holding. We can stop your flat roof having puddles now.

A roof should not have puddles because roofs are not designed to hold the weight of a large amount of water. Flat roofs really shouldn t be flat. 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. Ponding water is defined by roofers as water that stands in a puddle on the roof for longer than 48 hours.

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. When these sunken areas appear it s important to examine the problem carefully and determine if it is related to structural damage. The design of a flat roof can sometimes prevent rain and precipitation water from draining properly making standing water a common problem. Our unique formula of recycled rubber crumb polystyrene balls and binder fill up the areas where the puddles were on your flat roof making your flat roof flat again.

They normally will have at least a inch to a foot slope and many roofers prefer more. However puddles 1 or more inches deep that linger for days can indicate a significant problem with. Flat roofs should not have puddles.