3" Uni-Flex Roof Drain w/Oflow

Accommodates single-ply, modified membranes and BUR systems. Comes with nylon grate with screw kit, one expansion coupling and one recessed clamping ring with screw kit. Made in U.S.A. ABS plastic material provides a tough and durable product that is able to withstand construction site handling and allows the entire drain to be resistant to corrosion. • Roof drain available in 2", 3" and 4" pipe sizes. • Grate free area is 70 square inches. • Overflow Drain flange size is 20 1/4" W x 27" L. . Drain basin is 9-1/4" x 9-1/4". These products have been listed by: I.A.P.M.O. File No. 1252, S.B.C.C.I PST and ESI Evaluation Report No. 9831A