Commercial Bottom Outlet Roof Drain with Overflow

Product Drawings Commercial Bottom Outlet Roof Drain with Overflow PDF DrawingCommercial Bottom Outlet Roof Drain with Overflow CAD Drawing Compliance --> Made of strong 20 ounce sandblasted copper for great membrane adhesion. Seamless flashing and drain basin. New commercial application dual bowl, dual clamp ring, and dual grate design.  Comes with strong ABS dome strainer. 2", 3", 4", and 6" sizes available.  Design allows for flashing to nail down directly to roof, no need to sump the drain assembly.  Copper outperforms the competition because copper does not rust and does not melt. Area roof drain with built in dual bowl overflow drain 20 ounce copper, dual 10" diameter seamless basin Sandblasted for excellent membrane adhesion Dual grate, dual clamp ring, sump-less design 2", 3", 4", or 6" bronze no hub fitting ABS dome strainer included, optional cast aluminum strainer Manufactured in the USA by Thunderbird Products Note on Fittings: Two types of fittings are avail