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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
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      • FP1200
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      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • Spee-D BA Square Deco Galvanized Grate

    Bronze Age TDS-DECO-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-DECO-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • Spee-D BA Cathedral Galvanized Grate

    Bronze Age TDS-CATH-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-CATH-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • 420 ULMA slotted galvanized steel grate

    ULMA 421 / GN100KCAM Class A Slotted Galvanized Steel 122mm x 500mm Grate

    ULMA 421 / GN100KCAM Class A Slotted Galvanized Steel 122mm x 500mm Grate

    Regular price $27.49 USD
    Regular price Sale price $27.49 USD
    Unit price /  per 
  • POLYCAST 600 with DG0621 Galv Slot

    POLYCAST®600 Kit w/DG0621 Transverse Slot Galvanized Steel Grate | Load Class A

    POLYCAST®600 Kit w/DG0621 Transverse Slot Galvanized Steel Grate | Load Class A

    Regular price From $241.94 USD
    Regular price Sale price From $241.94 USD
    Unit price /  per 
  • POLYCAST 600 with Galvanized DG0620 Cathedral Grate

    POLYCAST® 600 Series Kit w/ DG0620 Cathedral Galvanized Steel Grate | Load Class A

    POLYCAST® 600 Series Kit w/ DG0620 Cathedral Galvanized Steel Grate | Load Class A

    Regular price From $256.02 USD
    Regular price Sale price From $256.02 USD
    Unit price /  per 
  • NDS915-galv-steel-grate

    NDS 915 Class C HD Bar Galvanized 9" x 9" Grate

    NDS 915 Class C HD Bar Galvanized 9" x 9" Grate

    Regular price $87.54 USD
    Regular price Sale price $87.54 USD
    Unit price /  per 
  • POLY600-GS-646

    POLYCAST® 600 Series Kit w/ DG0646 Perforated Galvanized Steel Grate & Edge

    POLYCAST® 600 Series Kit w/ DG0646 Perforated Galvanized Steel Grate & Edge

    Regular price From $233.41 USD
    Regular price Sale price From $233.41 USD
    Unit price /  per 
  • POLYCAST 600 with DG0646

    POLYCAST® 600 Series Kit w/ DG0646 Perforated Galvanized Steel Grate

    POLYCAST® 600 Series Kit w/ DG0646 Perforated Galvanized Steel Grate

    Regular price From $208.57 USD
    Regular price Sale price From $208.57 USD
    Unit price /  per 
  • M100K-GP100KCA Galvanized perforated grate polymer concrete galv edge ULMA channel

    ULMA M100K W/Galv. Steel Perforated Grate (1M)

    ULMA M100K W/Galv. Steel Perforated Grate (1M)

    Regular price From $232.22 USD
    Regular price Sale price From $232.22 USD
    Unit price /  per 
  • M100K-GN100KCA Galv Slotted Grate polymer concrete shallow galv edge ULMA channel

    ULMA M100K W/ Slotted Galvanized Steel Grate (1M)

    ULMA M100K W/ Slotted Galvanized Steel Grate (1M)

    Regular price From $244.23 USD
    Regular price Sale price From $244.23 USD
    Unit price /  per 
  • NDS-Spee-D-BA-Foam Galv SS grate

    NDS Spee-D® Channel w/ BA-FOAM-0448 Galvanized Steel 4"x48" Foam Grate

    NDS Spee-D® Channel w/ BA-FOAM-0448 Galvanized Steel 4"x48" Foam Grate

    Regular price From $152.96 USD
    Regular price Sale price From $152.96 USD
    Unit price /  per 
  • NDS-864GMTL-Pro5 with Galvanized Slotted Grate

    NDS® Pro Series 5 Drain Kit w/Galv. Steel Grate

    NDS® Pro Series 5 Drain Kit w/Galv. Steel Grate

    Regular price $124.80 USD
    Regular price Sale price $124.80 USD
    Unit price /  per 
  • POLY600-GS-646R

    POLYCAST® 600 Series Kit w/ DG0646R Perforated Galvanized Steel Grate & Edge

    POLYCAST® 600 Series Kit w/ DG0646R Perforated Galvanized Steel Grate & Edge

    Regular price From $362.45 USD
    Regular price Sale price From $362.45 USD
    Unit price /  per 
  • NDS2415 NDS 2415 24 x 24" grate in galvanized steel

    NDS 2415 Class C HD Bar Galvanized 24" x 24" Grate

    NDS 2415 Class C HD Bar Galvanized 24" x 24" Grate

    Regular price $1,403.32 USD
    Regular price Sale price $1,403.32 USD
    Unit price /  per 
  • NDS 1215 Galvanized steel bar grate

    NDS 1215 Class C HD Bar Galvanized 12" x 12" Grate

    NDS 1215 Class C HD Bar Galvanized 12" x 12" Grate

    Regular price $125.48 USD
    Regular price Sale price $125.48 USD
    Unit price /  per 
  • ULMA 406_407 GEHX100KCB-Mesh Heelproof Galvanized grate

    ULMA 406 / GEHX100KCB Mesh Heelproof Galvanized Grate 1M Class B

    ULMA 406 / GEHX100KCB Mesh Heelproof Galvanized Grate 1M Class B

    Regular price $150.62 USD
    Regular price Sale price $150.62 USD
    Unit price /  per 
  • DG0646R Galvanized Grates

    POLYCAST DG0646R Class C ADA Compliant Perforated Reinforced Galvanized 6" x 48" Grate

    POLYCAST DG0646R Class C ADA Compliant Perforated Reinforced Galvanized 6" x 48" Grate

    Regular price $459.03 USD
    Regular price Sale price $459.03 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 
  • ULMA M100K_Galvanized Heel Proof 406

    M100K w/ Galv. Steel Heel-proof Mesh Grate (406)-ULMA

    M100K w/ Galv. Steel Heel-proof Mesh Grate (406)-ULMA

    Regular price From $358.36 USD
    Regular price Sale price From $358.36 USD
    Unit price /  per 
  • PCK5-DG0622 Foam Perforated

    POLYCAST 500 Kit w/ DG0622 Galvanized Foam Perforated Grate | Class A

    POLYCAST 500 Kit w/ DG0622 Galvanized Foam Perforated Grate | Class A

    Regular price From $339.61 USD
    Regular price Sale price From $339.61 USD
    Unit price /  per 
  • M100K-GN100KCC Reinforced Galvanized Steel grate polymer concrete galv edge ULMA channel

    ULMA M100K Rein. Galv. Steel Slotted Grate (1M)

    ULMA M100K Rein. Galv. Steel Slotted Grate (1M)

    Regular price From $285.13 USD
    Regular price Sale price From $285.13 USD
    Unit price /  per 
  • NDS-Spee-D-BA-Cathedral Galv SS grate

    NDS Spee-D® Channel w/ BA-CATH-0448 Galvanized Steel 4"x48" Cathedral Grate

    NDS Spee-D® Channel w/ BA-CATH-0448 Galvanized Steel 4"x48" Cathedral Grate

    Regular price From $152.96 USD
    Regular price Sale price From $152.96 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit w/ DG0646R Reinforced Perforated Galvanized Grate- HDPE Frame

    POLYCAST 500 Series Kit w/ DG0646R Reinforced Perforated Galvanized Grate- HDPE Frame

    Regular price From $779.52 USD
    Regular price Sale price From $779.52 USD
    Unit price /  per 
  • TDS 3000 galvanized grate DG3048R

    TDS DG3048R Class C BAR Galvanized 8" x 24" Grate

    TDS DG3048R Class C BAR Galvanized 8" x 24" Grate

    Regular price $349.83 USD
    Regular price Sale price $349.83 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 HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
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