NDS-1816 8 in. Riser for 18 in. Square Catch Basin
Includes: (4) Basin Sides with 6 or 8 in. openings, (1) Basin Bottom and (4) Reducer Rings. **Assembly required**
(NOTE: Use roof tar or silicon to seal joints.)
Use with 18 in. Catch Basin Series. Riser package includes 4 sides. Use with NDS-1800 or NDS-1804 catch basins. **Assembly requred**
** BEFORE installing a drainage system, please check your local codes and regulations and install accordingly. **Specifications
8 in. Riser for 18 in. Catch Basin.
To learn more about general drainage and catch basin installation, please watch the videos below: