15 in High-Capacity Primary Roof Drain

SPECIAL ORDER ITEM. Review Returns Policy before purchase. Engineered for primary drainage applications, this roof drain features a robust cast iron body finished 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 system. A low-profile poly-dome is included to facilitate efficient water flow. This unit is ASME- certified and meets UPC- and IPC- standards, ensuring compliance with plumbing codes for commercial and industrial roof drainage installations. The design accommodates a wide range of piping connections to suit various site requirements.