Poor drainage can lead to serious issues with flat roofing from leaks to structural damage.
Flat roof scupper leaks.
Scuppers flat roof repair the cause of a major leak was due to incorrect leader headers on the other side of the wall.
This article will discuss three of the most common causes of flat commercial roof leaks.
Small elevated hole at scupper.
Open end scuppers allow for debris to be washed off the roof unlike a drain or gutter that gets full of debris.
Flat roofs are known as being problematic with many suffering leaks.
Leak at base of scupper.
This scupper is way to small for the size of this flat roof.
Wide mouth scuppers are the best for draining water off a flat roof.
Scuppers are perfect for getting water off a roof but if water flow is restricted and water backs up into the scupper again that will cause leaks.
The national roofing contractors association defines scupper as a drainage device in the form of an outlet through a wall parapet wall or raised roof edge typically lined with a sheet metal sleeve it is more often seen in apartments and other commercial buildings though is sometimes found in residential homes constructed with flat roofs.
However in my own experience the problems with leaking flat roofs are usually as a result of either poor workmanship installing the roof membrane poor maintenance by the building owner or as a result of age.
Flat roofs that are designed to have scuppers as a drainage system are almost maintenance free.
This is not a roof leak or a scupper leak the crack is near the srupper and water is coming in through the wall.
No roof will last forever and if you have a roof over your head it will most likely leak someday.
Leak on commercial flat roof ponding problems nov 12 2012 mel said.
In this case gas bubbles came out of tar and now water can get it.
The one challenge with flat roofing is ensuring proper drainage.
We have a commercial building with a flat roof leaking.
Caused by heat cycles and age.
If you own a commercial property that has a flat roof and would like to educate yourself about the threat of roof leaks then read on.
This is a one story building with three units dental offices.
Debris and small objects will not get stuck.
Unlike other roofing types that are slanted or sloped to allow water to drain automatically flat roofs need a built in drainage system to help remove moisture and debris.
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This is perhaps all the more true of flat roofs because water doesn t run off of the roof surface quickly and can easily find breaks in the roofing surface resulting in leaks.
Ponding water leads to leaks.
