Retro Roof Drain

The drain flange has a depressed sump area for improved flow and to facilitate water drainage from roof surface.

Retro roof drain.

All purpose drain for flat roofs in existing construction employing conventional roof membrane application or inverted roof membrane with ballast guard. The t ri built aluminum retrofit roof drain incorporates the technology for a mechanical watertight connection to pvc or cast iron pipes to prevent water from backup damage. Omg supplies roofing fasteners for the roofing industry as well as pipe supports insulation adhesives retrofit roof drains and construction accessories. Available in 3 4 5 and 6 sizes.

The drain flange has a depressed sump area to facilitate water drainage from the roof surface. Rd 4a rr aluminum rd 4c rr copper rd 4ss rr stainless steel retrofit roof drain with optional t 7 flow control accessory t 5 sediment collar and t 12 stainless steel ballast guard illustrted. Zurn offers a replacement roof drain retrofit designed for renovation roof applications. 0 125 3 mm spun aluminum with 12 30 48 cm drain stem length and an extra large 17 5 44 45 cm diameter flange that allows positive attachment of roof flashing membrane.

Hercules retrodrains are designed to replace existing drains in re roofing applications and are engineered to be installed from the roof surface without removing the existing drain fixture.