Designed to help prevent blockage of existing drain strainers by enlarging strainer capacity for increased protection from debris or roofing ballast. The patented design is available in 3' x 3' or 4' x 4' configurations and is constructed of .100" thick aluminum with stainless steel hardware for proven durability and performance.

Features & Benefits

• Constructed of .100" thick aluminum with stainless steel hardware.
• Available in 3' x 3' or 4' x 4' configurations.
• The 4" high vertical face of DrainGuard is slotted.
• Available in custom sizes.
• 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.