Square Grates

4" Square Grates

3/16" Grate Opening
Structural Foam Polyolefin Grate with UV Inhibitor.
Class A Loads of 1-60psi
ADA Compliant

Fits 3" Sewer and Drain Pipe & Fittings, 3" Corrugated Pipe and 3" Triple Wall Pipe.

4" Square Grate - Green (ND-1)

4" Square Grate - Black (ND-2)

4" Square Grate - Gray (ND-3)

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5" Square Grates

Structural Foam Polyolefin Grate with UV Inhibitor.
3/16" Grate Opening
Class A Loads of 1-60psi
ADA Compliant

Fits 4" Sewer and Drain Pipe & Fittings, 4" Corrugated Pipe and 4" Triple Wall Pipe.

5" Square Grate - Green (ND-7)

5" Square Grate - Black (ND-8)

5" Square Grate - Gray (ND-9)

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6" Square Grates

Structural Foam Polyolefin Grate with UV Inhibitor.
1/4" Grate Opening
Class A Loads of 1-60psi
ADA Compliant

Fits 3" or 4" Sewer and Drain Pipe & Fittings, 3" or 4" Corrugated Pipe and 3" or 4" Triple Wall Pipe.

6" Square Grate - Green (ND-4)

6" Square Grate - Black (ND-5)

6" Square Grate - Gray (ND-6)

6" Square Grate - Sand (ND-6S)

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