Skip to main content
Drains Icon

OMG offers the broadest line of roof drain inserts in the industry. All are designed to provide a secure, watertight connection to the existing plumbing drain leader. OMG roof drains exceed industry standards, and many are IPC & UPC code compliant. When your job calls for roof drain work, call for OlyFlow from OMG Roofing Products.


When it comes to roof drainage, getting water off the roof is the name of the game.  The OMG SpeedTite Drain with built-in Vortex Breaker technology is designed for improved flow performance that rivals traditional new connection drains.  Plus, SpeedTite Drains can be installed in minutes without any special tools, helping to save time and labor.

When it comes to roof drainage solutions, getting water off the roof is the name of the game.

Learn More

Get all the benefits of the industry’s top selling insert drain but with OMG’s exclusive vortex breaker technology built right in!

Learn More

Hercules RetroDrains are designed to replace existing drains in re-roofing applications and are engineered to be installed from the roof surface without removing the existing drain fixture.

Learn More