They will either be a part of the primary drainage system or they will be a part of the secondary overflow drainage system a primary drainage system is designed to remove water from the roof as quickly as possible.
Roof drain vs scupper.
Most professions develop a unique vernacular over time that allows members of the profession to speak about details and projects with ease.
The best is to have a wide scupper 12 or wider so leaves and debris will wash through the scupper instead of clogging it.
Roof drain speaking the language of a roofing contractor can be a difficult skill to master.
A similar opening in a wall or parapet that allows water to drain from a roof.
Roof drain speaking the language of a roofing contractor can be a difficult skill to master.
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.
Scuppers will play one of two roles in a roof system.
Most professions develop a unique vernacular over time that allows members of the profession to speak about details and projects with ease.
A drainage hole on the deck of a ship.
An overflow drainage system will be designed to function independently of the primary system to drain water from the roof.