USII RetroDrain

An economical option featuring a one-piece spun aluminum body and a heavy duty cast aluminum strainer dome for strength and durability. The extra large flange provides a wide area for attaching the roof cover. The USII RetroDrain incorporates U-Flow® Seal technology for a watertight mechanical connection to PVC or cast iron pipes. Also available with a plastic strainer dome, in sizes 3-in., 4-in., 5-in., and 6-in. sizes.

Features & Benefits

  • One-piece seamless body manufactured from 0.064-in.,16 gauge spun aluminum.
  • Extra large flange - 17 1/2-in.
  • Drain flange has welded metal clips for dome attachment.
  • 12-in. long drain stem.
  • Incorporates U-Flow Seal technology for a secure, watertight connection.
  • Simple and easy to install.

Application

OlyFlow RetroDrains are designed to replace existing drains in reroofing applications. Installed from the roof surface, 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.

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

SKU Size Packaging Dimensional Weight
USII3A 3" Each 32 lbs
USII4A 4" Each 32 lbs
USII5A 5" Each 32 lbs
USII6A 6" Each 32 lbs