Roof Overflow
An overflow outlet or scupper that prevents dangerous ponding on the roof if the main drains become blocked. Its size and level are calculated in the design; it must operate independently of the main drain.
An overflow outlet or scupper that prevents dangerous ponding on the roof if the main drains become blocked. Its size and level are calculated in the design; it must operate independently of the main drain.
Facing this issue on site?
Request a technical inspectionDefinitions are for general information; product selection and acceptance values are governed by the technical data sheet of the system applied and the project specification.