This guide explains the advantages and disadvantages of the three most common flat roof drainage solutions.
Scupper drains for flat roofs.
Scuppers drains on flat roofs are prone to leakage.
Interior drains gutters and scuppers.
Damage is often caused by clogged drains.
Why flat roof drainage is important.
Open end scuppers allow for debris to be washed off the roof unlike a drain or gutter that gets full of debris.
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.
Scupper drains are equally as important as other drains and special attention should be given to their location and installation on a flat roof we serve pittsburgh monroeville stamford greenwich white plains.
Typically water is collected by an external leader head.
Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally.
Along with the benefits of a flat roof come unique challenges.
There are several drainage solutions available for flat roofing and it is important to consider the pros and cons of each system before making a decision.
Typically flat roof drainage systems fall into one of the following categories.
10 out of 10 on the difficulty scale.
The design is critical and a proper strainer will help with draining water off a flat roof.
Flat roofs that are designed to have scuppers as a drainage system are almost maintenance free.
Part of a flat roof repair is to make sure it drains properly.
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.
Scupper drainage systems are characterized by chutes cut out of the parapet walls which extend above roof level.
Debris and small objects will not get stuck.
Scuppers are open holes or channels cut into the roof edge or parapet.
Your building and location can help determine which drain will fit your roof needs.
Scuppers are commonly used on flat roofs that have a parapet or other type of perimeter barrier enclosing the roof.
Wide mouth scuppers are the best for draining water off a flat roof.
What is a scupper.
Scuppers are found on many commercial and residential flat roofs.
About a leak only occasionally happening during a rain this usually means the hole is up a few centimeters off of the flat portion of the roof.
The roof is sloped toward the scuppers and water simply drains out through the scuppers.
The most critical of these issues is the flat roof drainage systems.
