15 in Roof Drain with Top-Set Riser

SPECIAL ORDER ITEM. Review Returns Policy before purchase. Engineered for commercial roofing applications, this roof drain features a robust cast iron body with a protective coating to resist corrosion. 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 provides efficient water flow while maintaining a minimal profile on the roof surface. This unit is ASME- certified and meets UPC- and IPC- standards for plumbing installations, ensuring reliable performance in demanding drainage environments.