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 21500 – Roof Drain: Large Sump, Clamp Ring & Poly Dome 21500-AE – Roof Drain: Large Sump with -AE Threaded Adjustable Extension 21500-AER – Roof Drain: Large sump with -AER Adjustable Extension using Threaded Rods 21500-FG2 – Roof Drain: Green Roof Drain, Plaza Drain Round Top, Large Sump Body, Bottom Out 21500-FG3 – Roof Drain: Green roof drain, large sump, wide roof flange, bottom outlet 21500-IRMA – Roof Drain: Large Sump with Perforated Stainless Steel Extension 21500-ORDG1 – Roof Drain: Green Roof Type with Perforated Standpipe 21500-Q261 – Roof Drain: Green Roof Drain, Large Sump, Large Dome, Perforated Standpipe 21500-Q515 – Roof Drain: Green Roof Drain, PVC Standpipe and Brass Dome 21500-Q600 – Roof Drain: Green Roof Drain, Planting Area, PVC Standpipe, SS Mesh Covered Dome 21500-Q601 – Roof Drain: Green Roof Drain, Plaza/Planter, Perforated PVC Standpipe 21500-Q602 – Roof Drain: Green Roof Drain, Planting Area, PVC Standpipe, Top Section is 32100 21500-Q605 – Roof Drain: Green Roof Drain, Plaza/Planter, Perf Standpipe, Mesh Covered Dome 21500-Q606 – Roof Drain: Green Roof Drain, Planting Area, Uses a 2450X-27 Series 21500-Q700 – Roof Drain: Green Roof Drain, Subsurface with Standpipe/Dome, PVC Perf Standpipe 21500-Q91 – Roof Drain: Green roof drain, overflow drain, large sump/flange 21500-RDG1 – Roof Drain: Green Roof Type with Perforated Standpipe 21500-RDG2 – Roof Drain: Green Roof Type with Stainless Steel Secured Cover 21500-RDG3 – Roof Drain: Green Roof Type with Internal Cast Iron Dome 21500-16 – Roof Drain: Large Sump with -16 Internal Waterguard for Overflow Drains 21500-19 – Roof Drain: Large Sump with -19 Stainless Steel Gravel Guard 21500-6 – Roof Drain: Large Sump with -6 Extra Wide Flange Drain Body 22010 – Roof Drain: Medium Sump, Clamp Ring & Cast Iron Beehive Dome 22080 – Roof Drain: Small Sump, Clamp Ring & Cast Iron Dome 22080-TSO – Roof Drain: Small Sump with Threaded Side Outlet 22100 – Combination Roof Drain 22200 – COMBINATION DRAIN/OVERFLOW, MEDIUM SUMP 22500 – COMBINATION DRAIN/OVERFLOW, LARGE SUMP 23500 – Roof Drain: Large Sump w/14" Square C.I. Promenade Top 23500-AE – Roof Drain: Large Sump, Promenade Top with Adjustable Extension 23510 – Roof Drain: Large Sump w/14" Dia. Extra Heavy Duty C.I. Parking Grate 23710 – Roof Drain: Medium Sump & 11-3/8" Square Cast Iron Promenade Top 23730 – Roof Drain: Small Sump & 9" Sq. Cast Iron Promenade Top 23740 – Roof Drain: w/Small Sump & 8" Sq. Heavy Duty Nikaloy Promenade Top 24020 – Roof Drain: Composition Deck Flange & Super-Flo Grate 24030 – Roof Drain: Composition Deck Flange, 11-3/4" C.I. Grate & Membrane Clamp 24040 – Roof Drain: Composition Deck Flange and Super-Flo Grate 24050 – Roof Drain: Garage Drain with Wide Support Flange 24060 – Roof Drain: Special-Duty, Composition Deck 24200 – Promenade Drain: Removable S.S. Filter, Bonding Flg, C.I. Top 24500 – Sill Drain: w/Rough Bronze Dome 24500-27 – Sill Drain: Shallow Sump with Bronze High Dome 24500-35 – Roof Drains: Shallow Type Sill Drain with Flat Grate 24500-45 – Sill Drain: Shallow Sump with Bronze Dome and 45 Degree Outlet 24500-90 – Sill Drain: Shallow Sump with Bronze Dome and 90 degree Outlet 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 25020 – Downspout Cover: Stainless Steel with hinged cover 25030 – Downspout Boot: Galvanized Steel 25500 – Flo-Septor: Large Sump, Clamp Ring & Solid Water Dam, Cast Iron 25520 – Flo-Septor: Medium Sump, Clamp Ring & Solid Water Dam, Cast Iron 25540 – Flo-Septor: Small Sump, Clamp Ring & Solid Water Dam, Cast Iron 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 28600 – Flo-Set Roof Drain: Calibrated Vane Collar, Clamp Ring & C.I. Dome 29000 – Roof Drain: Isolation Deck Drain with Non-Puncturing Clamp Ring for Standpipe 29100 – No-Hub Outlet Roof Drain 29112 – 12" Outlet Roof Drain
