OMG

Rooftop Drains & Accessories

Gutter RetroDrain

Limited access drain installation is completed from the rooftop. Its unique dimensions allow the Gutter RetroDrain to be installed within 9" wide box type gutters or near parapet walls. The patented RAC Backflow Compression Seal provides a proven plumbing connection with the existing leader pipe. Available in 3" and 4" sizes.

Features & Benefits

  • Pre-punched, .060” thick 8”x 8” aluminum drain flange.
  • The strainer dome is constructed of .063” thick aluminum and is 8” in diameter.
  • Has a 9" long drain stem.
  • Includes a 6” diameter, .125” thick, low profile, aluminum clamping ring.
  • Incorporates the RAC Backflow Compression Seal.
  • Simple and easy to install.

 

Application

OlyFlow RetroDrains are designed to replace existing drains in reroofing applications. Installed from the roof surface, the OlyFlow RetroDrains are engineered to be installed without removing the existing plumbing or fixture while providing a watertight connection to the roof system and the existing plumbing.

Physical Data
Cat. No.SizePackWeight
GM33"Each20 lbs.
GM44"Each20 lbs.