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Top-down view of NDS 980 black 9 in. x 9 in. square catch basin grate showing diamond-pattern openings, mounting tabs, and textured surface for drainage.

NDS 980 9 in. x 9 in. Square Catch Basin Grate — Black

Brand: NDS
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$51.26
$38.45
SKU 980
In Stock (18)

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Engineered for efficient surface drainage, the NDS 980 9 in. x 9 in. square catch basin grate provides a durable, low-maintenance cover for 9" x 9" catch basin systems. Manufactured from UV-resistant structural foam polyolefin, this black grate resists sun damage, chemicals, and corrosion while allowing high flow rates and minimizing debris entry.

  • Fits: Designed to fit NDS 9" x 9" catch basin series, compatible risers, and low-profile adapters for straightforward installation.
  • Material & Finish: Structural foam polyolefin with UV inhibitor provides long outdoor life, color stability, and chemical resistance.
  • Performance: 37.49 sq. in. open surface area; accommodates 114.69 GPM at 1/2" head to manage heavy runoff.
  • Dimensions & Weight: Nominal 8-7/8" x 8-7/8" x 1-1/8" profile; approximately 1.50 lbs per grate for easy handling and service.
  • Load & Compliance: Listed in the NDS catalog as Class A load rated and ADA-compliant for the specified applications—consult specs for site suitability.
  • Installation: Fastens with PH #6 - 1-1/2" screws (not included); designed for quick, secure placement on the 9" catch basin family.

Ideal for lawns, landscaped areas, patios, walkways, and downspout discharge points, the 980 grate helps prevent leaves and debris from entering the drainage system while moving surface water efficiently to the catch basin below. For best performance, periodically remove surface debris and inspect the grate after heavy storms. Refer to the NDS technical spec and product catalog in the resources for full flow capacities, installation details, and compliance information.

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Frequently Asked Questions

What catch basins fit the NDS 980 grate?
Fits NDS 9 in. x 9 in. catch basin series, risers, and low-profile adapters. Fasten with PH #6 - 1-1/2" screws.
How much water can the 980 grate handle?
Provides 37.49 sq. in. open area and accommodates 114.69 GPM at 1/2" head for rapid runoff capture.
Is this grate suitable for vehicular traffic?
NDS lists the 980 as Class A load rated and ADA-compliant for specified applications—verify site loads and limits in the technical specs.

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