Engineering Specifications

FD-4070S series of promenade or deck roof drain consist of a small sump cast iron body with bottom outlet, combined membrane flashing clamp and square frame, seepage openings, and Ductile Iron secured grate.

Outlet Type Bottom Outlet
Outlet Connection No Hub or Inside Gasket or Threaded
Outlet Size 2 & 3 & 4
Strainer Free Area 173 cm2

For more details on "Data Sheet" download pdf

FD-4070S Data Sheet

Area of Application

Used in flat roofs and decks designed as parking decks (vehicles traffic) or promenades for recreational (foot traffic). Small diameter body is particularly adaptable where limited space is available. Square grate provides sufficient free area for proper drainage with narrow slotted openings for pedestrian safety and to intercept debris. Flashing clamp holds flashing and roofing materials securely to the drain body. Seepage openings are located above the water proofing membrane to recieve any seepage from around the drain and to direct such seepage into drain body.

For more details on "Installation Drawing" download pdf

FD-4070S Installation Drawing