What a scupper is
A scupper is an opening through a parapet wall or gravel stop that lets water off a flat roof.
Sources
- Copper in Architecture Design Handbook - 10.5 Scuppers - Copper Development Association

Primary and overflow scuppers through a parapet, and the conductor heads that take their water into a downspout.
4 min · 7 slides · 4 questions
All lessonsA scupper is an opening through a parapet wall or gravel stop that lets water off a flat roof.
Sources