The Josam 22100 series is a coated cast iron combination roof drain and overflow drain designed for small roofs, gutters and valleys of any construction. It includes:
- A cast iron beehive dome—Provides ample drainage for small roof areas while intercepting debris.
- Two Wejloc non-puncturing clamp rings with integral gravel stops—holds the membrane or flashing to the drain body.
- Integral cast iron standpipe in a cast iron deck flange.
- Dual no-hub bottom outlets.
