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Drainage Kits
  • Shop All
  • 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
      • Polymer Concrete
      • Stainless Steel
      • 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
      • Polycast
      • 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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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
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  • NDS1218S Botanical Sand catch basin grate

    NDS 1218S Class B ADA Compliant Botanical HDPE 12" x 12" Grate - SAND

    NDS 1218S Class B ADA Compliant Botanical HDPE 12" x 12" Grate - SAND

    Regular price $85.87 USD
    Regular price Sale price $85.87 USD
    Unit price /  per 
  • NDS1218GR botanical Green catch basin grate

    NDS 1218GN Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GREEN

    NDS 1218GN Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GREEN

    Regular price $85.87 USD
    Regular price Sale price $85.87 USD
    Unit price /  per 
  • FG-MESH-CB12 fiberglass catch basin 12 inch grate

    FG-MESH-CB12 Class A Fiberglass 12" x 12" x 1" Catch Basin Grate - Dark Grey

    FG-MESH-CB12 Class A Fiberglass 12" x 12" x 1" Catch Basin Grate - Dark Grey

    Regular price $63.77 USD
    Regular price Sale price $63.77 USD
    Unit price /  per 
  • 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 
  • Iron Age Janis 24x24 catch basin cast iron grate

    Iron Age IA-JANIS-CB24-BF / JN24-24|14 Class B Janis Cast Iron 24" x 24" Grate - BoOF

    Iron Age IA-JANIS-CB24-BF / JN24-24|14 Class B Janis Cast Iron 24" x 24" Grate - BoOF

    Regular price $946.66 USD
    Regular price Sale price $946.66 USD
    Unit price /  per 
  • NDS300 NDS Spee-D catch basin 2/3 outlet

    NDS 300 Spee-D Basin 6" Dia with 2"-3" Outlets

    NDS 300 Spee-D Basin 6" Dia with 2"-3" Outlets

    Regular price $50.45 USD
    Regular price Sale price $50.45 USD
    Unit price /  per 
  • 24x24 Polycast Fiberglass Slotted Heavy duty grate DG0659

    POLYCAST® FG0659 Class A ADA Compliant Fiberglass Bar 24" x 24" Grate

    POLYCAST® FG0659 Class A ADA Compliant Fiberglass Bar 24" x 24" Grate

    Regular price $572.03 USD
    Regular price Sale price $572.03 USD
    Unit price /  per 
  • NDS1218GY botanical Grey catch basin grate

    NDS 1218GY Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GRAY

    NDS 1218GY Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GRAY

    Regular price $85.47 USD
    Regular price Sale price $85.47 USD
    Unit price /  per 
  • NDS® 1266 Universal Locking Outlet - 6"

    NDS® 1266 Universal Locking Outlet - 6"

    NDS® 1266 Universal Locking Outlet - 6"

    Regular price $12.10 USD
    Regular price Sale price $12.10 USD
    Unit price /  per 
  • IA-Sun-CB12-BF Iron Age Sun 12" Catch Basin Grate in Baked On Oil Finish

    Iron Age IA-SUN-CB12-BF Class B Sun Cast Iron 12" x 12" Grate - Baked on Oil Finish

    Iron Age IA-SUN-CB12-BF Class B Sun Cast Iron 12" x 12" Grate - Baked on Oil Finish

    Regular price $301.73 USD
    Regular price Sale price $301.73 USD
    Unit price /  per 
  • NDS 1810 Grey HDPE 18" Slotted Catch Basin Grate

    NDS 1810 Class B ADA Compliant Slotted HDPE 18" x 18" Grate - GRAY

    NDS 1810 Class B ADA Compliant Slotted HDPE 18" x 18" Grate - GRAY

    Regular price $246.15 USD
    Regular price Sale price $246.15 USD
    Unit price /  per 
  • NDS1243 4in/3in combo outlet

    NDS 1243 Universal Locking Outlet 3"and 4" for NDS Catch Basins

    NDS 1243 Universal Locking Outlet 3"and 4" for NDS Catch Basins

    Regular price $9.01 USD
    Regular price Sale price $9.01 USD
    Unit price /  per 
  • DA0650TA POLYCAST Debris Basket - Plastic Narrow

    DA0650TA POLYCAST® HDPE Plastic Debris Basket – Narrow

    DA0650TA POLYCAST® HDPE Plastic Debris Basket – Narrow

    Regular price $330.04 USD
    Regular price Sale price $330.04 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 
  • DA0650TC Polycast debris basket

    POLYCAST DA0650TC Debris Basket Stainless

    POLYCAST DA0650TC Debris Basket Stainless

    Regular price $480.09 USD
    Regular price Sale price $480.09 USD
    Unit price /  per 
  • IA-Inter-CB09-BF Iron Age 9" Interlaken Grate in Baked on Oil Finish Cast Iron

    Iron Age IA-INTER-CB09-BF Class B Interlaken Cast Iron 9" x 9" Grate - BoOF

    Iron Age IA-INTER-CB09-BF Class B Interlaken Cast Iron 9" x 9" Grate - BoOF

    Regular price $270.27 USD
    Regular price Sale price $270.27 USD
    Unit price /  per 
  • NDS1224S_Wave_12_inch_Basin_DECO_Grate_-_Sand_1024x1024

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

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

    Regular price $85.87 USD
    Regular price Sale price $85.87 USD
    Unit price /  per 
  • IA-OBLIO-CB24-BF BoOF 24 inch cast iron Catch basin grate

    Iron Age IA-OBLIO-CB24-BF / ON24-24|14 Class B Oblio Cast Iron 24" x 24" Grate - BoOF

    Iron Age IA-OBLIO-CB24-BF / ON24-24|14 Class B Oblio Cast Iron 24" x 24" Grate - BoOF

    Regular price $1,231.23 USD
    Regular price Sale price $1,231.23 USD
    Unit price /  per 
  • FG-MICRO-CB12 fiberglass catch basin 12 inch grate

    FG-MICRO-CB12 Class A ADA Compliant 12" x 12" Grate - Dark Gray

    FG-MICRO-CB12 Class A ADA Compliant 12" x 12" Grate - Dark Gray

    Regular price $128.89 USD
    Regular price Sale price $128.89 USD
    Unit price /  per 
  • NDS931

    NDS 931 9" Deep Housing Spigot Adaptor

    NDS 931 9" Deep Housing Spigot Adaptor

    Regular price $32.50 USD
    Regular price Sale price $32.50 USD
    Unit price /  per 
  • Iron Age IA-LOC-CB24 / LN24-24|14 Class B Locust Cast Iron 24" x 24" Grate - Natural

    Iron Age IA-LOC-CB24 / LN24-24|14 Class B Locust Cast Iron 24" x 24" Grate - Natural

    Iron Age IA-LOC-CB24 / LN24-24|14 Class B Locust Cast Iron 24" x 24" Grate - Natural

    Regular price $792.22 USD
    Regular price Sale price $792.22 USD
    Unit price /  per 
  • NDS2412 Green 24" HDPE Slotted Catch Basin Grate

    NDS 2412 Class B Slotted HDPE 24" x 24" Grate - GREEN

    NDS 2412 Class B Slotted HDPE 24" x 24" Grate - GREEN

    Regular price $596.55 USD
    Regular price Sale price $596.55 USD
    Unit price /  per 
  • NDS990_Green_Catch_Basin_Grate_9x9

    NDS 990 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - GREEN

    NDS 990 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - GREEN

    Regular price $44.56 USD
    Regular price Sale price $44.56 USD
    Unit price /  per 
  • IA-INTER-CB9 Iron Age Interlaken Raw Cast Iron 9" Catch Basin Grate

    Iron Age IA-INTER-CB09 Class B Interlaken Cast Iron 9" x 9" Grate - RAW

    Iron Age IA-INTER-CB09 Class B Interlaken Cast Iron 9" x 9" Grate - RAW

    Regular price $203.06 USD
    Regular price Sale price $203.06 USD
    Unit price /  per 
  • NDS1224GR NDS 12" Green Wave Catch Basin Grate

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

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

    Regular price $90.92 USD
    Regular price Sale price $90.92 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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