Designed as a retrofit drain option for installation into existing leader pipes that have an 8" I.D. measurement. Features a one-piece spun aluminum body with an extra large flange for positive attachment of the roof flashing membrane and four, rubber O rings to make a watertight seal and is available with either a U-Flow cast aluminum strainer dome and aluminum clamping ring for strength and durability or a RAC aluminum strainer dome designed to minimize damming and low profile metal clamping ring for improved drainage.

Features & Benefits

• One-piece, seamless body manufactured from .125", 11 gauge spun aluminum.
• Extra large flange – 17 1/2".
• 12" long drain stem.
• Includes 2 rubber O rings.
• Available with either a U-Flow cast aluminum strainer dome and aluminum clamping ring or a RAC aluminum strainer dome and low profile metal clamping ring.
• Simple and easy to install from rooftop.

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.