Skip to content

As a proven alternative to traditional concrete drains, NDS grates feature UV inhibitors that prevent fading and cracking from the sun. These chemical-resistant and rustproof grates are maintenance-free, lightweight, and easy to install. This grate helps to collect and remove excess water from driveways, patios, and any other outdoor areas, designed for maximum durability to handle light foot traffic. Use with Spee-D® Basin, 6” Sewer and Drain Fittings, 6” Corrugated, SDR-35, ABS, SCH-40, Double Wall, ASTM D2729, Class 100 Pipe.

More Information
Part Number 40
Color Black
Length 6 3/4"
Width 5 3/4" at bottom opening
Height 2 3/8"
Grate Opening 1/4"
Open Surface Area 9.1 square inches
Gallons Per Minute 27.84
  • High Density Foam Polyolefin
  • Grate Openings: 9.10" sq. open space
  • UV Inhibitors
  • Colors: Black (40), Green (50), Gray (60)
  • Fits: Use with Spee-D® Basin, 6” Sewer and Drain Fittings, 6” Corrugated, SDR-35, ABS, SCH-40, Double Wall, ASTM D2729, Class 100 Pipe
  • Will accommodate 27.84 gallons per minute with 1/2” of head
  • ADA Compliant/Heel-Proof
  • Product Class: 10ND
  • Class A Load Rated (1-60 psi)

Additional Resources

How To Fix A Downspout Problem
NDS 6" Round Grate Technical Specifications

Installation Instructions

NDS Round Grate with Spee-D Basin 2-Outlets using Corrugated Pipe Installation Detail
NDS Round Grate with Spee-D Basin 2-Outlets Installation Detail
NDS Round Grate with Spee-D Basin 1-Outlet using Corrugated Pipe Installation Detail
NDS Round Grate with Spee-D Basin 1-Outlet Installation Detail
NDS Round Grate with Corrugated Pipe (Tee) Installation Detail
NDS Round Grate with Sanitary Sewer and Drain Tee Corrugated Pipe Installation Detail
NDS Round Grate with Sanitary Sewer and Drain Tee Installation Detail
NDS Round Grate with Sewer and Drain Elbow Corrugated Pipe Installation Detail
NDS Round Grate with Sewer and Drain Elbow Installation Detail