Flat Roof Scupper Leaks

With rainstorm debris and leaves get washed off the roof low maintenance inexpensive a roof will not get flooded as in a drain or gutter.

Flat roof scupper leaks. Greetings from ca usa eric. Scupper in good shape. The sketch at left common leak points at flat roof drainage systems. Scuppers drains on flat roofs are prone to leakage.

Combine the two of them and its almost a gurantee there will we cracking in the corners of smooth stucco scuppers. Click to enlarge any image scupper drains become blocked by leaves or other debris through building drains upper right in the sketch become clogged internally and burst flooding the building or leaks occur around the drain itself where it penetrates the roof. When you look for what is causing the leak then look at cracks at all the flashing on the roof. The most likeliest cause of leaks is flashing.

The pictures below show some common problems with flat roof cool coated scuppers. If it is wide enough the scupper will not get clogged with leaves. Corners on windows doors and scuppers are prone to cracking. 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.

Sealing the most critical part of your roof the draining area scupper hope you like it guys. Drain pipes are inside the building and therefore will not freeze during winter. Inner drainage systems can t be seen from outside. Wherever there is a transition from the roof surface to an object like a vent pipe wall or drain flashing is present.

Smooth stucco is prone to cracking. This scupper is way to small for the size of this flat roof.