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-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-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 30000 – Floor Drain: Body Assembly w/Wejloc Clamp Ring & Double Drainage Flange 39600 – Floor Drain: S.S. Mesh Covered C.I. Dome & Clamp Ring for Planter Areas
