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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
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
      • Load Class B
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      • Load Class E
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
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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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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
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Products Blogs
  • IA-Oblio-CB12-BF Iron Age Oblio Catch Basin Grate with Baked on Oil Finish

    Iron Age IA-OBLIO-CB12-BF Class B Heel-Proof Oblio Cast Iron 12" x 12" Grate - BoOF

    Iron Age IA-OBLIO-CB12-BF Class B Heel-Proof Oblio Cast Iron 12" x 12" Grate - BoOF

    Regular price $311.74 USD
    Regular price Sale price $311.74 USD
    Unit price /  per 
  • NDS1212S Slot HDPE Sand Catch Basin Grate

    NDS 1212S Class B ADA Compliant Slotted HDPE 12" x 12" Grate - SAND

    NDS 1212S Class B ADA Compliant Slotted HDPE 12" x 12" Grate - SAND

    Regular price $71.12 USD
    Regular price Sale price $71.12 USD
    Unit price /  per 
  • IA-OBLIO-CB24 Raw 24 inch catch basin grate

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

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

    Regular price $1,076.79 USD
    Regular price Sale price $1,076.79 USD
    Unit price /  per 
  • NDS1213 12" Catch basin Grate in Slotted Cast Iron

    NDS 1213 Class C Slotted Cast Iron 12" x 12" Grate

    NDS 1213 Class C Slotted Cast Iron 12" x 12" Grate

    Regular price $218.04 USD
    Regular price Sale price $218.04 USD
    Unit price /  per 
  • TA0650STC

    TDS TA0650STC Shallow Debris/Trash Basket - Stainless

    TDS TA0650STC Shallow Debris/Trash Basket - Stainless

    Regular price $349.57 USD
    Regular price Sale price $349.57 USD
    Unit price /  per 
  • NDS 930 Low Profile Adapter 9" x 9"

    NDS 930 Low Profile Adapter 9" x 9"

    NDS 930 Low Profile Adapter 9" x 9"

    Regular price $35.82 USD
    Regular price Sale price $35.82 USD
    Unit price /  per 
  • NDS1815 Grate in Galvanized for 18x18" catch basins

    NDS 1815 Class C 18" Galvanized Grate

    NDS 1815 Class C 18" Galvanized Grate

    Regular price $726.28 USD
    Regular price Sale price $726.28 USD
    Unit price /  per 
  • NDS999S Square slotted catch basin grate 9x9inch - Sand

    NDS 999S Class A ADA Compliant Slotted HDPE 9" x 9" Grate - SAND

    NDS 999S Class A ADA Compliant Slotted HDPE 9" x 9" Grate - SAND

    Regular price $44.54 USD
    Regular price Sale price $44.54 USD
    Unit price /  per 
  • FG-MESH-CB09-FRONT 9" Catch Basin FRP Grate

    FG-MESH-CB09 Class A Fiberglass 9" x 9" x 1" Catch Basin Grate - Dark Grey

    FG-MESH-CB09 Class A Fiberglass 9" x 9" x 1" Catch Basin Grate - Dark Grey

    Regular price $30.61 USD
    Regular price Sale price $30.61 USD
    Unit price /  per 
  • DG0753 Drawing

    POLYCAST® DG0753 Ductile Iron Frame 24" x 24"

    POLYCAST® DG0753 Ductile Iron Frame 24" x 24"

    Regular price $654.64 USD
    Regular price Sale price $654.64 USD
    Unit price /  per 
  • Iron Age Janis 24x24 catch basin cast iron grate

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

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

    Regular price $792.22 USD
    Regular price Sale price $792.22 USD
    Unit price /  per 
  • NDS1210_Grey_NDS_Catch_Basin_Grate_12x12

    NDS 1210 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - GRAY

    NDS 1210 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - GRAY

    Regular price $69.66 USD
    Regular price Sale price $69.66 USD
    Unit price /  per 
  • NDS250-Spee-D-basin

    NDS 250 6" Spee-D Basin 2 Outlet 90deg (solid pipe) by NDS®

    NDS 250 6" Spee-D Basin 2 Outlet 90deg (solid pipe) by NDS®

    Regular price $31.46 USD
    Regular price Sale price $31.46 USD
    Unit price /  per 
  • NDS1224GY Wave HDPE

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

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

    Regular price $85.87 USD
    Regular price Sale price $85.87 USD
    Unit price /  per 
  • NDS 1811 NDS 18" Black HDPE Slotted Catch Basin Grate

    NDS 1811 Class B ADA Compliant Slotted HDPE 18" x 18" Grate - BLACK

    NDS 1811 Class B ADA Compliant Slotted HDPE 18" x 18" Grate - BLACK

    Regular price $221.54 USD
    Regular price Sale price $221.54 USD
    Unit price /  per 
  • NDS-1206 universal outlet plug NDS catch basin

    NDS 1206 Universal Adapter Plug 6″ for NDS Catch Basins

    NDS 1206 Universal Adapter Plug 6″ for NDS Catch Basins

    Regular price $7.21 USD
    Regular price Sale price $7.21 USD
    Unit price /  per 
  • NDS1212_Green_Plastic_Slotted_NDS_Catch_Basin_Grate_12x12

    NDS 1212 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - GREEN

    NDS 1212 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - GREEN

    Regular price $59.10 USD
    Regular price Sale price $59.10 USD
    Unit price /  per 
  • NDS 980 Black Plastic 9 inch Catch Basin Grate

    NDS 980 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - BLACK

    NDS 980 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - BLACK

    Regular price $40.64 USD
    Regular price Sale price $40.64 USD
    Unit price /  per 
  • NDS-2410-03-DK 10inch 12inch universal outlet adapter

    NDS 2410 Universal Outlet Adapter 10"-12"

    NDS 2410 Universal Outlet Adapter 10"-12"

    Regular price $64.16 USD
    Regular price Sale price $64.16 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 
  • IA-OBLIO-CB12 Iron Age 12x12" Raw Cast Iron Oblio Grate

    Iron Age IA-OBLIO-CB12-HP Class B Heel-Proof Oblio Cast Iron 12" x 12" Grate - RAW

    Iron Age IA-OBLIO-CB12-HP Class B Heel-Proof Oblio Cast Iron 12" x 12" Grate - RAW

    Regular price $231.66 USD
    Regular price Sale price $231.66 USD
    Unit price /  per 
  • NDS 1200DSG Downspout Defender

    900DSG Downspout Defender™ Grate 9" x 9"

    900DSG Downspout Defender™ Grate 9" x 9"

    Regular price $35.42 USD
    Regular price Sale price $35.42 USD
    Unit price /  per 
  • NDS932 9x9 low profile housing adapter

    NDS 932 Low Profile Adapter 9" x 9"

    NDS 932 Low Profile Adapter 9" x 9"

    Regular price $58.21 USD
    Regular price Sale price $58.21 USD
    Unit price /  per 
  • NDS 1245 3" and 4" Offset Universal Outlet

    NDS 1245 Universal Offset Adapter 3"-4" Outlet

    NDS 1245 Universal Offset Adapter 3"-4" Outlet

    Regular price $10.49 USD
    Regular price Sale price $10.49 USD
    Unit price /  per 
  • NDS 1200DSG Downspout Defender

    1200DSG Downspout Defender™ Grate 12"x12"

    1200DSG Downspout Defender™ Grate 12"x12"

    Regular price $52.60 USD
    Regular price Sale price $52.60 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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