Engineering Specifications

FD-4060OF series of roof drain with Over Flow consist of a small sump cast iron body with bottom outlet, a removable Cast Iron, Aluminum, or Nickel Bronze dome strainer, and integral combined water dam and waterproofing membrane clamp

Outlet Type Bottom Outlet
Outlet Connection No Hub or Inside Gasket or Threaded
Outlet Size 2 & 3 & 4
Strainer Free Area 300 cm2

For more details on "Data Sheet" download pdf

FD-4060OF Data Sheet and FD-4060OF-NB Data Sheet and FD-4060OF-AL Data Sheet

Area of Application

Used in flat roofs of any construction where a constant height of water is required. Also used as a Secondary Drain (emergency overflow), draining water when the depth of the water on the roof exceeds the water dam height. This Drain can be used near to main (Primary) drain for limited space installations. The small diameter body is particularly adaptable where limited space is available. Flashing clamp holds flashing and roofing materials securely to the drain body.The dome provides sufficient free area for quick drainage of rain water and protects the drain sump and connected piping from the intrusion of debris.

For more details on "Installation Drawing" download pdf

FD-4060OF Installation Drawing