Hercules RetroDrain

HERCULES^® ROOF DRAIN

Code approved OMG Hercules RetroDrains, the industry’s most popular retrofit drain, are available in 3-, 4-, 5- and 6-inch sizes and with a variety of options to support any project, including TPO or PVC coated flange for direct membrane attachment.

Specification

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 (introduced in 2004) standard for a secure, watertight connection.
- Most OMG Hercules Drains have been certified by QAI Laboratories to conform with ASME 112.6.4 and CSA-B79-08.
TECHNICAL DATA
Drain Body: 11 gauge (.125-in.) spun aluminum
Seal: Watertight U-Flow mechanical seal (requires U-Flow screwdriver for installation)
Flange: 17.5-inch diameter with sump area. TPO and PVC coated options available.
Strainer Dome: Cast aluminum, aluminum SuperDome or Vortex Breaker dome
Stem: 12-inches
Clamp Ring: Cast aluminum where applicable. *Not provided on TPO or PVC coated drains.
APPROVALS
ASME 112.6.4 – establishes minimum design requirements for roof drains, and certified by QAI Laboratories.
CSA-B79-08 – Canadian Standards Association standard for commercial and residential drains and cleanouts, and certified by QAI Laboratories.
ANSI/SPRI RD-1 – is a national performance standard for retrofit roof drains which requires the seal to hold a 10-ft. column of water for 24 hours without leaking.