Constructed of aluminum & stainless steel components and compatible with sprayed polyurethane foam materials. The drain features a unique 1" high Foam Stop for termination of the foam, coating and sealant. The 18" x 18" drain flange is pre-punched for attachment to the roof deck and pre-primed to receive the spray polyurethane foam. The patented RAC Backflow Compression Seal is mechanically activated with a 7/16" wrench to create a plumbing connection with existing PVC or Cast Iron drain leader pipes for protection during drain backups. Equipped with a 14" diameter, low profile aluminum strainer dome, engineered to promote drainage and minimize damming. Available in 3", 4", 5", and 6" sizes with the optional Vandal Resistant, low profile strainer dome.

Features & Benefits

• Pre-punched, .080” thick 18” x 18” aluminum drain flange.
• Flange has a 1” high “Foam Stop”.
• Flange is pre-primed.
• 14” diameter .080” thick aluminum drain strainer dome.
• 9” long drain stem.
• Incorporates the patented 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.