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Top view of NDS 6-inch green square drainage grate made from structural foam polyolefin, showing open lattice pattern and exterior finish.

NDS 6" Square Drain Grate - Structural Foam Polyolefin, Green

Brand: NDS
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$16.98
$12.73
SKU 05
In Stock (94)

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Durable NDS 6" square drain grate designed for landscape and yard drainage. Lightweight yet strong, this green grate helps keep debris out of your drainage system while allowing surface water to flow freely. Ideal for planter beds, window wells, mulch areas, patios, and small lawns.

  • Compatibility: Fits 3" or 4" sewer and drain pipe and fittings, 3" or 4" corrugated pipe, and 3" or 4" triple-wall pipe.
  • Material: Structural foam polyolefin construction treated with UV inhibitors for outdoor durability and fade resistance.
  • Dimensions: Top measures approximately 5-7/8" square; overall height about 2" for secure seating in drain collars and fittings.
  • Performance: Open surface pattern prevents debris entry while supporting light foot traffic; designed for efficient surface drainage.
  • Corrosion & Chemical Resistance: Rustproof and chemically resistant for low-maintenance outdoor use.
  • Easy Installation: Lightweight design installs quickly without special tools and works with standard NDS fittings and adapters.

This NDS grate provides a proven, maintenance-friendly alternative to cast-iron or concrete covers in non-traffic areas. Its UV-treated polyolefin construction helps prevent cracking and color fade under prolonged sun exposure. For technical specs, installation details, and flow capacity charts, consult the manufacturer's drainage catalog and product technical sheets.

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Frequently Asked Questions

What pipe sizes does this 6" square grate fit?
The NDS 6" square grate fits 3" or 4" sewer and drain pipe and fittings, 3" or 4" corrugated pipe, and 3" or 4" triple-wall pipe.
What material is the grate made from and how durable is it?
Constructed of structural foam polyolefin (manufacturer listings also reference HDPE) with UV inhibitors; it resists fading, cracking, chemicals, and rust for low maintenance.
Can this grate be used in outdoor areas with light foot traffic?
Yes. It is designed for non-vehicular areas and light foot traffic such as patios and walkways; UV treatment helps maintain strength and appearance outdoors.