A scupper is almost always part of a peripheral drainage system which is a drainage system in which the water drains off the sides of the roof instead of through the roof itself using drains an internal drainage system.
Roof drain vs scupper.
Scuppers are a very effective way to channel water off a roof.
Scupper verb thwart or destroy especially something belonging or pertaining to another.
Scuppers are roof drains on the edge of the roof.
Where roof drains are required secondary emergency overflow roof drains or scuppers shall be provided where the roof perimeter construction extends above the roof in such a manner that water will be entrapped if the primary drains allow buildup for any reason.
The best is to have a wide scupper 12 or wider so leaves and debris will wash through the scupper instead of clogging it.
Most professions develop a unique vernacular over time that allows members of the profession to speak about details and projects with ease.
Cast iron roof drain with 2 in.
A similar opening in a wall or parapet that allows water to drain from a roof.
Watts drainage products rd 300 r series 4 in.
Smith carefully designs and manufactures a full line of roof drains deck drains scupper drains promenade and parking area drains and more to satisfy both the artistic eye of the architect and the calculating mind of the engineer.
The best draining system for a flat roof.
Roof drain speaking the language of a roofing contractor can be a difficult skill to master.
A roof will not get flooded as in a drain or gutter when a scupper is connected with a down pipe the chances are it will freeze during winter and not drain any water.
No hub cast iron high volume roof drain with ductile iron dome.
Most professions develop a unique vernacular over time that allows members of the profession to speak about details and projects with ease.
3 where the height of the parapet is more than 150 mm or exceeds the height of the adjacent wall flashing a emergency roof overflows or scuppers described in clause 2 c shall be provided and b there shall be a minimum of two roof drains.
Scuppers can let the water drop off the roof to the ground or can lead into a gutter system.