Square Grates

Solve drainage problems anywhere with our full and extensive line of landscape drainage products. MasTer Landscape Supply offers all the solutions that are often easy to install, eliminate standing water, establish positive and effective drainage allowing you to take back control of your valuable landscape.

  • Available in multiple colors and materials including decorative designs, galvanized steel and cast iron.
  • Available in green, gray, sand, and black
  • ADA compliant / heel-proof
  • Adaptable to 3", 4", and 6" sewer and drain, corrugated, and tripple wall pipe and fittings as well as NDS 6" Spee-D basins

NDS DRAINAGE CATALOG

Product Image Model Item Name Price
NDS 9-Inch Square Atrium Grate, Black

NDS 9-Inch Square Atrium Grate, Black

Model: 981-NDS
9" x 9" Square Atrium Grate, Black Includes 1 grate (atrium). Black. Dimension(s): 9" L x 9" W x 4-3/4" H. Use with...
$26.46

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NDS 9-Inch Square Atrium Grate, Green

NDS 9-Inch Square Atrium Grate, Green

Model: 991
9" x 9" Square Atrium Grate, Green Includes 1 grate (atrium) Dimension(s): 9" L x 9" W x 4-3/4" H. Color:Green ADA...
$47.41

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NDS 9-Inch Square Grate, Green

NDS 9-Inch Square Grate, Green

Model: 990
9" Square Grate, Green   Includes 1 grate (square). Green. Dimension(s): 8-7/8" L x 8-7/8" W x 1-1/8" H. Use with...
$39.84

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NDS 9-Inch Square Grate, Cast Iron

NDS 9-Inch Square Grate, Cast Iron

Model: 913
9" Square Grate Cast Iron Heavy Duty Cast Iron Grate. Open surface area approx. 21.70 square inches. 66.38 GPM. Fits 9x9 Catch Basins
$70.50

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NDS 12-Inch Square Grate, Black

NDS 12-Inch Square Grate, Black

Model: 1211
12" Black Square Grate Structural Foam Polyolefin Grate with UV inhibitor. Open surface area approx. 50.70 square inches. 66.50 GPM. Fits 12x12...
$31.37

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NDS 12-Inch Square Grate, Gray

NDS 12-Inch Square Grate, Gray

Model: 1210
12" Gray Square Grate Structural Foam Polyolefin Grate with UV inhibitor. Open surface area approx. 50.70 square inches. 66.50 GPM. Fits 12x12...
$31.37

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NDS 12-Inch Square Grate Cast Iron

NDS 12-Inch Square Grate Cast Iron

Model: 1213
12" Square Grate Cast Iron Heavy Duty Cast Iron Grate. Open surface area approx. 59.50 square inches. 78.0 GPM. Fits 12x12 Catch Basins
$97.14

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NDS 12-Inch Square Grate Galvanized Steel

NDS 12-Inch Square Grate Galvanized Steel

Model: 1215
12" Square Grate Galvanized Steel Heavy Duty Galvanized Steel Bar Grate. Open surface area approx. 122.0 square inches. 160.0 GPM. Fits 12x12...
$56.47

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NDS 12-Inch Square Drain Grate, Green

NDS 12-Inch Square Drain Grate, Green

Model: 1212
12" Green Square Grate Structural Foam Polyolefin Grate with UV inhibitor. Open surface area approx. 50.70 square inches. 66.50 GPM. Fits 12x12...
$31.37

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NDS 12-Inch Square Atrium Grate, Black

NDS 12-Inch Square Atrium Grate, Black

Model: 1290
12" Square Atrium Grate Structural Foam Polyolefin Dome Atrium Grate with UV inhibitor. Open surface area approx. 50.50 square inches. 66.2 GPM....
$38.86

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NDS 12-Inch Square Atrium Grate, Green

NDS 12-Inch Square Atrium Grate, Green

Model: 1280
12" Square Atrium Grate, Green Structural Foam Polyolefin Dome Atrium Grate with UV inhibitor. Open surface area approx. 50.50 square inches....
$38.86

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NDS 18-Inch Square Grate, Black

NDS 18-Inch Square Grate, Black

Model: 1811
18" Square Black Grate Structural Foam Polyolefin Grate with UV inhibitor. Open surface area approx. 104.00 square inches. 136.0 GPM. Fits 18x18...
$101.76

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NDS 18-Inch Square Grate, Gray

NDS 18-Inch Square Grate, Gray

Model: 1810
18" Square Gray Grate Structural Foam Polyolefin Grate with UV inhibitor. Open surface area approx. 104.00 square inches. 136.0 GPM. Fits 18x18...
$101.76

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NDS 18-Inch Square Drain Grate, Green

NDS 18-Inch Square Drain Grate, Green

Model: 1812
18" Square Green Grate Structural Foam Polyolefin Grate with UV inhibitor. Open surface area approx. 104.00 square inches. 136.0 GPM. Fits 18x18...
$101.76

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NDS 18-Inch Square Drain Grate, Sand

NDS 18-Inch Square Drain Grate, Sand

Model: 1812S
18" Square Sand Grate Structural Foam Polyolefin Grate with UV inhibitor. Open surface area approx. 104.00 square inches. 136.0 GPM. Fits 18x18...
$107.11

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NDS 18-Inch Square Atrium Grate, Black

NDS 18-Inch Square Atrium Grate, Black

Model: 1881
18" Square Atrium Grate Color: Black Structural Foam Polyolefin Dome Atrium Grate with UV inhibitor. Open surface area approx 89.40 square...
$72.86

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NDS 18-Inch Square Atrium Grate, Green

NDS 18-Inch Square Atrium Grate, Green

Model: 1891
18" Square Atrium Grate Color: Green Structural Foam Polyolefin Dome Atrium Grate with UV inhibitor. Open surface area approx 89.40 square...
$72.86

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NDS 18-Inch Square Grate, Cast Iron

NDS 18-Inch Square Grate, Cast Iron

Model: 1813
18" Square Grate Cast Iron Heavy Duty Cast Iron Grate. Open surface area approx. 100.50 square inches. 130.0 GPM. H-20 Load Rating. Fits 18x18...
$213.31

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NDS 18-Inch Square Grate, Galvanized Steel

NDS 18-Inch Square Grate, Galvanized Steel

Model: 1815
18" Square Grate Galvanized Steel Heavy Duty Galvanized Steel Bar Grate. Open surface area apporx. 291.00 square inches. 381.0 GPM. Fits 18x18...
$293.90

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NDS 24-Inch Square Drain Grate, Black

NDS 24-Inch Square Drain Grate, Black

Model: 2411
24" Square Grate, Black Structural Foam Polyolefin Grate with UV inhibitor. Open surface area approx 231.00 square inches. 303.5 GPM. Fits 24x24...
$265.78

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