8-3/8 in Cast Dome Roof Drain

SPECIAL ORDER ITEM. Review Returns Policy before purchase. Engineered for efficient water management, this roof drain features a robust cast iron body with a protective coating to resist corrosion in harsh exterior 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 dome cover provides effective water intake while minimizing the profile above the roof surface. This unit is ASME- certified and UPC- and IPC- compliant, ensuring it meets rigorous plumbing standards for commercial and industrial roof drainage applications.