15 in Wide Outlet Primary Roof Drain

SPECIAL ORDER ITEM. Review Returns Policy before purchase. Engineered for primary roof drainage, this unit features a heavy-duty cast iron body finished with a protective coating to resist corrosion in demanding rooftop environments. The assembly includes a combination membrane flashing clamp and gravel guard to secure roofing materials while preventing debris from entering the drainage system. A low silhouette poly-dome facilitates efficient water flow while maintaining a compact profile. This drain is ASME- certified and meets UPC- and IPC- standards for plumbing installations, ensuring compliance with national building codes for commercial and industrial roof drainage applications.