Any damaged components of the drainage system must be repaired quickly and correctly to ensure they continue to function as designed.
Scupper problems flat roof damage.
Just like any roof a flat roof will develop leaks but since it s flat the water doesn t have anywhere to go but straight down.
Leaks and moisture probably the most common problems with flat roofs leaks and lingering moisture are issues that can be dealt with effectively as long as you stay on top of them.
Long term effects of ponding water on a flat roof.
These problems could cause the roof to leak and severely damage the roof deck underlying structure and interior finishing.
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.
The extension on the leader header added to more problems.
When clearing debris from around a drain or scupper don t just clear enough to get the water flowing.
The biggest problem with flat roofs is standing water.
Water leaking through the roof could also cause fire and electric hazards.
Pooling water on a flat roof can cause problems such as pulled away flashing popped nails exposed railheads and the washing away of gravel or stone from the shingles.
Most residential roofs are sloped to the edge and a gutter system catches the water.
If your commercial building has a flat roof sometimes there is a problem with ponding water.
Because of this water backs up onto the flat roof through the scupper.
For clarity flat roofs actually have a slight slope to allow rain water to drain off the roof but they seem flat when compared with more traditional steeply sloped roofs.
Each of these systems has its own pros and cons.
The entire roof should be cleared to prevent the drain from becoming clogged again.
If water ponds on a flat roof it could lead to problems later on.
Scuppers reinforce the roofing and prevent excess water from accumulating on the roof which can lead to significant water damage.
This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof.
This is especially prevalent after a lot of rainstorms.
Strainer in leader header causing a blockage forcing water onto the flat roof through the scupper.
The strainer or filter in the images was placed in the neck of the leader header causing to clog fast with a small amount of debris.
Regular cleaning and unblocking of the drains gutters and scuppers is mandatory.
A major maintenance issue shared between all types of roof drains is debris removal.
There are roof coating products available if there isn t enough slant or slope to accomplish this.
Flat roof drainage system specifications designs troubleshooting problems solutions for interior drains on flat building roofs flat roof drains scuppers and screens questions answers about keeping the flat roof drainage system working or about installing new drains in a flat roof.
Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally.