Direkt zum Inhalt

OverFlow Roof Drain Attachment

OMG OverFlow roof drain attachment assembly provides additional water drainage, if necessary, when water on the roof exceeds certain levels. OverFlows are compatible with all OMG retrofit and new construction drains supplied with a clamping ring, and are available in two heights: 2- and 4-inches. 

Find an OMG Rep / Distributor Request a Service
Features & Benefits

Features & Benefits

  • Offers additional drainage when water levels exceed 2- or 4-inches.
  • Constructed of .050-inch spun aluminum for long-term durability.
  • Simple and easy to install.
  • Overflow and FlowControl accessories are only compatible with Hercules models with a clamping ring. Not compatible with SpeedTite, Hercules Plus or PVC/TPO coated models.
Product Use

Product Use

The OverFlow roof drain attachment assembly is secured to the drain body sump area by the clamping ring.

As with all building materials, it is the roofing contractor’s responsibility to review product use with a design professional to confirm safety, compatibility and acceptance with the roof cover manufacturer as well as local building codes.

Technical Data

Technical Data

Size:  4-in. & 2-in. height

Material:  .050-in. aluminum

Packaging Information

Packaging Information

Cat. No. Product Description Height (in) Packaging Quantity Weight (lbs)
OVFLOW4 OverFlow 4 Each 1
OVFLOW2 OverFlow 2 Each 1