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Drainage Kits
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  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Channel Materials
      • Fiberglass
      • Plastic
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • Load Class E
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
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      • Polylok
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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      • Ductile/Cast Iron
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  • NDS1224_Wave_12_inch_Basin_DECO_Grate_-_Black_1024x1024

    NDS 1224 Class B ADA Compliant Wave HDPE 12" x 12" Grate -BLACK

    NDS 1224 Class B ADA Compliant Wave HDPE 12" x 12" Grate -BLACK

    Regular price $92.53 USD
    Regular price Sale price $92.53 USD
    Unit price /  per 
  • Stainless Steel Perforated 3 inch Mini Channel Grate

    Perforated 316 Stainless Steel Grate 3″x12″ Load Class B

    Perforated 316 Stainless Steel Grate 3″x12″ Load Class B

    Regular price $83.00 USD
    Regular price Sale price $83.00 USD
    Unit price /  per 
  • Iron Age 4x24 BoOF Locust Spee-D Heel Proof cast iron grate

    Iron Age IA-LOC-0424-HP-BF Class B Locust Cast Iron 4" x 24" Grate - BoOF

    Iron Age IA-LOC-0424-HP-BF Class B Locust Cast Iron 4" x 24" Grate - BoOF

    Regular price $341.91 USD
    Regular price Sale price $341.91 USD
    Unit price /  per 
  • POLYCST 600 with DG0623 Galv SQUARE DECO grate

    POLYCAST 600 Series Kit w/ DG0623 Square Deco Galvanized Steel Grate | Load Class A

    POLYCAST 600 Series Kit w/ DG0623 Square Deco Galvanized Steel Grate | Load Class A

    Regular price From $249.77 USD
    Regular price Sale price From $249.77 USD
    Unit price /  per 
  • NDS-Dura-XX-602K-TDSdrains cast iron diamond grate HPDE channel NDS

    NDS® Dura Slope Kit with DS-602 Cast Iron Diamond Grate - RAW

    NDS® Dura Slope Kit with DS-602 Cast Iron Diamond Grate - RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • SS600 Stainless Steel Drain Kit w/ DG0633 Decorative 304 Stainless Steel Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0633 Decorative 304 Stainless Steel Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0633 Decorative 304 Stainless Steel Grate | Class A

    Regular price From $1,476.81 USD
    Regular price Sale price From $1,476.81 USD
    Unit price /  per 
  • NDS-Dura-XX-Loc-DK cast iron deco grate hpde channel

    NDS Dura Slope Kit with IA-LOC-0624 Cast Iron Locust Grate | Natural

    NDS Dura Slope Kit with IA-LOC-0624 Cast Iron Locust Grate | Natural

    Regular price From $894.79 USD
    Regular price Sale price From $894.79 USD
    Unit price /  per 
  • NDS-550-Sand-Channel-Atrium-Outlet.1

    NDS 550 Mini Channel 3″ x 36″ with Bottom Outlet – SAND

    NDS 550 Mini Channel 3″ x 36″ with Bottom Outlet – SAND

    Regular price $73.43 USD
    Regular price Sale price $73.43 USD
    Unit price /  per 
  • NDS2411 NDS black plastic slotted grate for 24x24" catch basins

    NDS 2411 Class B Slotted HDPE 24" x 24" Grate - BLACK

    NDS 2411 Class B Slotted HDPE 24" x 24" Grate - BLACK

    Regular price $578.65 USD
    Regular price Sale price $578.65 USD
    Unit price /  per 
  • POLY700-PE-646R

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-HDPE Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-HDPE Frame

    Regular price From $377.11 USD
    Regular price Sale price From $377.11 USD
    Unit price /  per 
  • POLY600-xx-675D-TDsdrains cast iron transverse ada grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

    POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

    Regular price From $223.24 USD
    Regular price Sale price From $223.24 USD
    Unit price /  per 
  • NDS® Dura Slope Kit with DS-664 HDPE Slotted Grate | Sand

    NDS® Dura Slope Kit with DS-664 HDPE Slotted Grate | Sand

    NDS® Dura Slope Kit with DS-664 HDPE Slotted Grate | Sand

    Regular price From $419.00 USD
    Regular price Sale price From $419.00 USD
    Unit price /  per 
  • NDS 1211 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - BLACK

    NDS 1211 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - BLACK

    NDS 1211 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - BLACK

    Regular price $60.34 USD
    Regular price Sale price $60.34 USD
    Unit price /  per 
  • NDS-Dura-XX-INTER-BF NDS Duraslope with Iron Age BoOF Interlaken Grate

    NDS Dura Slope Kit w/ IA-INTER-0624-BF Cast Iron Interlaken Grate | Baked on Oil Finish

    NDS Dura Slope Kit w/ IA-INTER-0624-BF Cast Iron Interlaken Grate | Baked on Oil Finish

    Regular price From $1,043.51 USD
    Regular price Sale price From $1,043.51 USD
    Unit price /  per 
  • NDS-Dura-XX-604-TDSdrains deco cast iron brick grate HPDE channel NDS

    NDS® Dura Slope Kit with DS-604 Cast Iron Brick Grate | RAW

    NDS® Dura Slope Kit with DS-604 Cast Iron Brick Grate | RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • IA-CARB-0312 Iron Age Carbochon

    Iron Age IA-CARB-0314 Class B Carbochon Cast Iron 3" x 14" Grate – RAW

    Sale

    Iron Age IA-CARB-0314 Class B Carbochon Cast Iron 3" x 14" Grate – RAW

    Regular price $88.66 USD
    Regular price $88.66 USD Sale price $88.66 USD
    Unit price /  per 
    Sale
  • NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • NDS 252 - Box of 12 - Class B ADA Compliant Heel-Proof Botanical HDPE 4" x 24" Grate - BLACK

    NDS 252 - Box of 12 - Class B ADA Compliant Heel-Proof Botanical HDPE 4" x 24" Grate - BLACK

    NDS 252 - Box of 12 - Class B ADA Compliant Heel-Proof Botanical HDPE 4" x 24" Grate - BLACK

    Regular price $665.06 USD
    Regular price Sale price $665.06 USD
    Unit price /  per 
  • NDS-671 WHITE Dura Slope Plastic Perforated Grate

    NDS® DS-671 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - WHITE

    NDS® DS-671 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - WHITE

    Regular price $70.40 USD
    Regular price Sale price $70.40 USD
    Unit price /  per 
  • NDS-Dura-XX-603-TDSdrains cast iron tile grate hpde channel nds

    NDS® Dura Slope Kit with DS-603 Cast Iron Tile Grate - RAW

    NDS® Dura Slope Kit with DS-603 Cast Iron Tile Grate - RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • TDS500S-TDSdrains

    NDS 500S Mini Channel 3" x 72" - SAND

    NDS 500S Mini Channel 3" x 72" - SAND

    Regular price $83.58 USD
    Regular price Sale price $83.58 USD
    Unit price /  per 
  • NDS-Dura-601-DK weave deco cast iron

    NDS Dura Slope Kit with DS-601 Cast Iron Weave Grate-RAW

    NDS Dura Slope Kit with DS-601 Cast Iron Weave Grate-RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • BA-SLOT_0312-D TDS Bronze Age Ductile Iron Grate in Slot Pattern

    Bronze Age™ BA-SLOT-0312-D Ductile Iron 3" x 12" Grate - RAW

    Bronze Age™ BA-SLOT-0312-D Ductile Iron 3" x 12" Grate - RAW

    Regular price $39.95 USD
    Regular price Sale price $39.95 USD
    Unit price /  per 
  • NDS-Dura-XX-232 NDS Duraslope with a Ductile Iron Slotted grate

    NDS Dura Slope Kit with DS-232 Ductile Iron Grate - 6"

    NDS Dura Slope Kit with DS-232 Ductile Iron Grate - 6"

    Regular price From $475.22 USD
    Regular price Sale price From $475.22 USD
    Unit price /  per 
  • BA-SLOT-0312-BF TDS Bronze Age Slotted Ductile Iron Grate with BoOF

    Bronze Age™ BA-SLOT-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Bronze Age™ BA-SLOT-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Regular price $64.95 USD
    Regular price Sale price $64.95 USD
    Unit price /  per 
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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Installer Map

Drainage News

  • How Do You Clean Out a Trench Drain Without Damaging It?

    May 27, 2026
  • What is Load Class and Why Is It Important?

    Feb 23, 2024
  • Keeping Livestock Safe – Grate Ideas

    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    $80.36 $62.50
  • ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    $37.45 $26.22
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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