Abstract
A drain sump is an intentional depression around a roof drain or scupper that promotes drainage. Drain sumps reduce the potential for localized ponding that could be caused because of a buildup of materials and a drain clamping ring.
A drain sump is an intentional depression around a roof drain or scupper that promotes drainage. Drain sumps reduce the potential for localized ponding that could be caused because of a buildup of materials and a drain clamping ring.
Date
9/2025
9/2025
Author(s)
Maciek Rupar
Maciek Rupar
Page(s)
16-17
16-17
Keyword(s)
drain; roof; surface; ponding
drain; roof; surface; ponding