Roof Drains Josam's roof drains include Large Sump, Medium Sump, Small Sump, Sill Type, Promenade Top, Parapet Type, Flow Control Type, Overflow Type, and Green Roof Drains. They feature the WEJLOC® clamping system. The design includes a gravel stop that prevents roof debris from entering the drain, ensuring complete drainage through "V" notch weirs while offering secure flashing with a positive non-puncturing bond to mating flange of collar. Filter by Large Sump Medium Sump Small Sump Sill Type Promenade Top Parapet Type Flow Control Type Overflow Type Green Roof Drain Miscellaneous Roof Drains & Accessories PVC Roof Drain Body 24700 – Parapet Drain: Rough Bronze Sloping Grate, Flashing Clamp & Side Outlet 24700-45 – Parapet Drain: with Sloping Bronze Grate and 45 degree Outlet 24720 – Parapet Drain: Cast Iron Angle Grate, Flashing Clamp & Side Outlet 24900 – Parapet Drain: Large Rough Bronze Angle Dome, Flash Clamp & Side Outlet 25000 – Parapet Scupper Sleeve: Cast Iron w/Flashing Clamp & Flange 25010 – Downspout Nozzle: Rough Bronze, w/Wall Flange
