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Hercules^® Roof Drain

Hercules RetroDrains, the industry’s most popular retrofit drain, are available in 75 mm, 100 mm and 150 mm sizes and with a variety of options to support any project, including OMG’s exclusive Vortex Breaker Strainer Dome, which can increase flow by up to 2.5 times (see Hercules-Plus).

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Features & Benefits

Saves time and money by allowing easy installation from the rooftop without disturbing occupants.
Cast aluminum strainer dome and clamping ring that will not rust for long term durability and performance.
U-Flow Seals exceed the ANSI/SPRI RD1 standard for a secure, watertight connection.

Product Use

Hercules RetroDrains are designed to replace existing new construction drains in re-roofing applications. Installed from the roof surface, Hercules RetroDrains are engineered to be installed without removing the existing drain fixture. Hercules RetroDrains have a mechanical seal for direct connection to existing PVC or cast iron plumbing.

As with all building materials, it is the responsibility of the installer to review product use with a design professional to confirm safety, compatibility and acceptance with the roof cover manufacturer and local building codes.

Technical Data

Drain Body: 3.2 mm (0.125-in.) spun aluminum
Seal: Watertight U-Flow mechanical seal (requires U-Flow screwdriver for installation)
Flange: 445 mm (17.5-in.) diameter with sump area.
Strainer Dome: Cast aluminum or aluminum SuperDome
Stem: 305 mm (12-in.) length
Clamp Ring: Flat aluminum

APPROVALS

BS EN1253-3-2015

ANSI/SPRI RD-1

Packaging Info

Aluminum Hercules

Cat. No.	Description	Size (mm)	Packaging Quantity	Dimensional Weight (Kg)
HDAL3A-FCR	Aluminum Herc. w/ Clamping Ring	75	Each	12.2
HDAL4A-FCR	Aluminum Herc. w/ Clamping Ring	100	Each	12.2
HDAL6A-FCR	Aluminum Herc. w/ Clamping Ring	150	Each	12.2