Round Grates
3" Round Grates
- 3/16" Openings
- ADA Compliant/Heel Proof
- Structural Foam Polyolefin Grate with UV Inhibitor
Fits 3" Sewer & Drain Pipe & Fittings, 3" Corrugated Pipe & 3" Triple Wall Pipe.
3" Round Grate - Black (ND-14)
3" Round Grate - Gray (ND-15)
3" Round Grate - Green (ND-16)
3" Round Grate - Sand (ND-16S)
4" Round Grates
- 1/4" Openings
- ADA Compliant/Heel Proof
- Structural Foam Polyolefin Grate with UV Inhibitor
- Class A Load - 0 to 60psi
Fits 3" Sewer & Drain Pipe & Fittings, 4" Corrugated Pipe & 4" Triple Wall Pipe.
4" Round Grate - Black (ND-11)
4" Round Grate - Gray (ND-12)
4" Round Grate - Green (ND-13)
4" Round Grate - Sand (ND-13S)
6" Round Grates
- 1/4" Openings
- ADA Compliant/Heel Proof
- Structural Foam Polyolefin Grate with UV Inhibitor
- Class A Load - 0 to 60psi
Fits Spee-D Basin,6" Sewer & Drain Pipe & Fittings, 6" Corrugated Pipe.
6" Round Grate - Black (ND-40)
6" Round Grate - Gray (ND-50)
6" Round Grate - Green (ND-60)
6" Round Grate - Sand (ND-60S)
8" Round Grates
- 5/16" Openings
- ADA Compliant
- Structural Foam Polyolefin Grate with UV Inhibitor
- Class A Load - 0 to 60psi
Fits Spee-D Basin, 6" Sewer & Drain Pipe & Fittings, 6" Corrugated Pipe.
8" Round Grate - Black (ND-10)
8" Round Grate - Gray (ND-20)
8" Round Grate - Green (ND-30)
8" Round Grate - Sand (ND-30S)
10" Round Grates

- 5/16" Openings
- ADA Compliant
- Structural Foam Polyolefin Grate with UV Inhibitor
- Class A Load - 0 to 60psi
Fits 8" Sewer & Drain Pipe & Fittings, 8" Corrugated Pipe.
10" Round Grate - Black (ND-1040)
10" Round Grate - Gray (ND-1050)
10" Round Grate - Green (ND-1060)
10" Round Grate - Sand (ND-1060S)
12" Round Grates
- 9/16" Openings
- ADA Compliant
- Structural Foam Polyolefin Grate with UV Inhibitor
- Class B - Loads 61 - 175psi
Fits 12" Sewer & Drain Pipe, 12" Corrugated Pipe.
12" Round Grate - Black (ND-1240)
12" Round Grate - Green (ND-1250)
12" Round Grate - Gray (ND-1260)
15" Round Grates

- 1-1/4" Openings
- Structural Foam Polyolefin Grate with UV Inhibitor
- Class B - Loads 61 - 175psi
Fits 15" Sewer & Drain Pipe and Fittings, 15" Corrugated Pipe.
15" Round Grate - Black (ND-1511)
15" Round Grate - Green (ND-1512)