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NDS Black Grid Flat Square Grate 18 in. | NDS-1811

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Sales Price $148.68 Our Price $274.60 You save 46%

NDS Black Grid Flat Square Grate 18 in.

  • Shape: Square
  • Dimensions: 18 in. x 18 in.
  • Connection Type: Catch Basin

Features & Benefits

NDS grates are a proven alternative to traditional concrete drains with UV inhibitors that are used to prevent fading and cracking from the sun, chemical-resistant, rustproof and maintenance-free, lightweight, and easy to install.

NDS has a full line of drainage products, fittings, and accessories available. 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.

  • Grate Number(s): NDS-1811
  • Description: 18” Square Grate
  • Flow Rate with 1/2” Head:  264.03 GPM

Note: BEFORE installing a drainage system, please check your local codes and regulations and install accordingly. 

Product Details

  • 18" Square Structural Foam Polyolefin Grate with UV inhibitor.

  • Open surface area 86.31 square inches. 264.03 GPM.


More Information
Brand NDS
Dimensions 18 in. x 18 in.
Connection Size 18 in.
Connection Type Catch Basin
Flow Rate 263 GPM
Material Plastic
Style Flat
Shape Square
Warranty 1 Year
Color Black
Size 18 in.
Pattern Grid
Catalog (504.34 kB)
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