316 grade stainless steel seamless drain basin with insert outlet. Designed for fast and watertight installations. Available for 2", 3", and 4" existing pipe sizes.
Includes Heavy Duty ABS Dome Strainer, Stainless Steel Clamping Ring, and two O-Rings to prevent back-flow.
- Retrofit insert stainless steel drain
- For 2",3" and 4" existing pipe sizes
- 316-Grade Stainless Steel flange
- Includes Heavy Duty ABS Dome Strainer. Also, available with optional Cast Aluminum Dome.
- Includes Stainless Steel Clamping Ring
- Includes two O-Rings to prevent backflow
- Manufactured in the USA by Thunderbird Products
Browse all retrofit drains.
Part Numbers |
SRD2IN |
2" Stainless Steel Retrofit Roof Drain |
SRD3IN |
3" Stainless Steel Retrofit Roof Drain |
SRD4IN |
4" Stainless Steel Retrofit Roof Drain |
Also available with optional Cast Aluminum Dome |
Try the Thunderbird Roof Drain Estimator and calculate the number of roof drains needed for your project based on your location's precipitation intensity and roof area.