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 25000 – Parapet Scupper Sleeve: Cast Iron w/Flashing Clamp & Flange 25010 – Downspout Nozzle: Rough Bronze, w/Wall Flange 25020 – Downspout Cover: Stainless Steel with hinged cover 25030 – Downspout Boot: Galvanized Steel 26200 – Expansion Joint: C.I. w/PVC Sleeve, Packing Gland & Pressure Ring 26440 – Stack Flashing Fitting: Cast Iron w/Flashing Recess 26450 – Vent Stack Flashing Sleeve: Cast Iron w/Caulking Recess 26700 – Vandal-Proof Vent Cap: Cast Iron Vandal Proof Hood & Securing Screw 29000 – Roof Drain: Isolation Deck Drain with Non-Puncturing Clamp Ring for Standpipe
