The best is to have a wide scupper 12 or wider so leaves and debris will wash through the scupper instead of clogging it.
Flat roof scupper drain.
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Each of these systems can become clogged by debris.
Regular cleaning and unblocking of the drains gutters and scuppers is mandatory.
Typically flat roof drainage systems fall into one of the following categories.
Gutters collect leaves and stop the flow of water.
Take the roof s total square footage and divide by the total square footage handled by one drain.
Each of these systems has its own pros and cons.
Interior drains gutters and scuppers.
This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table.
Why flat roof drainage is important.
Flat roofs that are designed to have scuppers as a drainage system are almost maintenance free.
Debris and small objects will not get stuck.
There are three types of drain systems commonly used on flat roofs.
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.
It is always best to have a professional design your drain placement and size.
The result is the number of drains needed.
The above sizing data is offered as a guide only.
Sometimes a combination of inner drains scuppers and gutters can be used to lead water off a roof.
15 inch items stylish leaderhead and overflow spouts.
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.
Wide mouth scuppers are the best for draining water off a flat roof.
Open end scuppers allow for debris to be washed off the roof unlike a drain or gutter that gets full of debris.
Scuppers are a very effective way to channel water off a roof.
Typically water is collected by an external leader head catchment that feeds into a downspout installed.
This guide explains the advantages and disadvantages of the three most common flat roof drainage solutions.
More attention should be given to the location of a drainage system to avoid future problems.
Flat roof drains scuppers gutters and drainage systems on flat roofs one of the most overlooked items on a flat roof is the draining system.