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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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      • 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
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  • FGK-I4015-12 Fiberglass I-Bar Grate

    FG-I4015-1248 Fiberglass I-Bar Grate 12"X48"x1.5" Grate Load Class C

    FG-I4015-1248 Fiberglass I-Bar Grate 12"X48"x1.5" Grate Load Class C

    Regular price $410.75 USD
    Regular price Sale price $410.75 USD
    Unit price /  per 
  • TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    Regular price $637.19 USD
    Regular price Sale price $637.19 USD
    Unit price /  per 
  • TP0650S-CF-657RH Inline catch basin with cast iron frame and perforated stainless steel grates

    TP0750S (Shallow) Catch Basin Kit w/ DG0657R for POLYCAST®-Ductile Iron Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0657R for POLYCAST®-Ductile Iron Frame

    Regular price $659.91 USD
    Regular price Sale price $659.91 USD
    Unit price /  per 
  • TP0650S-XX-646R Polycast 650S Shallow catch basin with DG0646 Reinforced perforated galvanized grate

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0646RH for POLYCAST®

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0646RH for POLYCAST®

    Regular price $574.57 USD
    Regular price Sale price $574.57 USD
    Unit price /  per 
  • FG-HLC 8 inch Fiberglass Mesh Grate

    FG-HLC-0848 Mesh Fiberglass 8"X48" Grate Load Class C

    FG-HLC-0848 Mesh Fiberglass 8"X48" Grate Load Class C

    Regular price $402.82 USD
    Regular price Sale price $402.82 USD
    Unit price /  per 
  • TP0650S-PE-647R

    TP0750S (Shallow) Catch Basin Kit w/ DG0647RH for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0647RH for POLYCAST®-HDPE Frame

    Regular price $654.82 USD
    Regular price Sale price $654.82 USD
    Unit price /  per 
  • TP0650S Catch basin with DG0647 SS Slotted Grate

    TP0650S (Shallow) Catch Basin Kit w/ DG0647H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0647H for POLYCAST®

    Regular price $391.10 USD
    Regular price Sale price $391.10 USD
    Unit price /  per 
  • NDS629 Dura Slope Screws

    NDS-629 Screws for Dura Slope Grates

    NDS-629 Screws for Dura Slope Grates

    Regular price $82.80 USD
    Regular price Sale price $82.80 USD
    Unit price /  per 
  • M100K-GN100KCC Reinforced Galvanized Steel grate polymer concrete galv edge ULMA channel

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

    Sale

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

    Regular price From $232.52 USD
    Regular price $288.96 USD Sale price From $232.52 USD
    Unit price /  per 
    Sale
  • M100K-Locust Raw Cast Iron deco grate polymer concrete galv edge ULMA channel

    ULMA M100K W/ Iron Age Locust Grate

    Sale

    ULMA M100K W/ Iron Age Locust Grate

    Regular price From $524.99 USD
    Regular price $565.30 USD Sale price From $524.99 USD
    Unit price /  per 
    Sale
  • U100KM-Locust Cast Iron Deco Ironage raw grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with Iron Age Locust Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Locust Grate | Natural

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100K Kit with 495 / PNH100KCAM-GRIS Polypropylene ADA Heel Proof Grate – GRAY

    Sale

    ULMA U100K Kit with 495 / PNH100KCAM-GRIS Polypropylene ADA Heel Proof Grate – GRAY

    Regular price From $304.36 USD
    Regular price $381.33 USD Sale price From $304.36 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Sale

    ULMA U100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Regular price From $298.23 USD
    Regular price $373.44 USD Sale price From $298.23 USD
    Unit price /  per 
    Sale
  • NDS101 Spee-D Basin 1 outlet (3"/4")

    6" Spee-D Basin 1 Outlet by NDS®

    6" Spee-D Basin 1 Outlet by NDS®

    Regular price $42.02 USD
    Regular price Sale price $42.02 USD
    Unit price /  per 
  • M100K-TDS0461 Class E grate polymer concrete channel

    ULMA M100K Kit w/ TDS 461D Slotted Ductile Iron Grate & Galvanized Edge

    Sale

    ULMA M100K Kit w/ TDS 461D Slotted Ductile Iron Grate & Galvanized Edge

    Regular price From $254.69 USD
    Regular price $317.46 USD Sale price From $254.69 USD
    Unit price /  per 
    Sale
  • ULMA M100KX stainless steel edged polymer concrete channel with 450 stainless steel slotted grate

    ULMA M100KX Kit with 450 / IN100KCA Stainless Steel Slotted Grate

    Sale

    ULMA M100KX Kit with 450 / IN100KCA Stainless Steel Slotted Grate

    Regular price From $340.42 USD
    Regular price $427.68 USD Sale price From $340.42 USD
    Unit price /  per 
    Sale
  • ULMA polymer concrete channel with stainless steel edge and Iron Age Greek Key Raw Cast Iron grate

    ULMA M100KX Kit with Iron Age GA5-20I21 Greek Key Grate

    Sale

    ULMA M100KX Kit with Iron Age GA5-20I21 Greek Key Grate

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • M100K-GN100KCA Galv Slotted Grate polymer concrete shallow galv edge ULMA channel

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

    Sale

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

    Regular price From $196.24 USD
    Regular price $246.05 USD Sale price From $196.24 USD
    Unit price /  per 
    Sale
  • ULMA shallow drain channel with stainless steel edge and Iron Age Greek Key grate with Baked on Oil Finish

    ULMA M100KX Kit with Iron Age GA5-20I21 Greek Key Grate – BoOF

    Sale

    ULMA M100KX Kit with Iron Age GA5-20I21 Greek Key Grate – BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • 6100 grate

    US Foundry 6100 Heavy Duty Slotted C35B Gray Iron 8" x 24" x 1.5" Grate

    US Foundry 6100 Heavy Duty Slotted C35B Gray Iron 8" x 24" x 1.5" Grate

    Regular price $337.60 USD
    Regular price Sale price $337.60 USD
    Unit price /  per 
  • M100K- with 402 Galvanized Mesh Grate

    M100K W/ 1M Galv. Steel Mesh Grate (402)-ULMA

    Sale

    M100K W/ 1M Galv. Steel Mesh Grate (402)-ULMA

    Regular price From $247.65 USD
    Regular price $308.40 USD Sale price From $247.65 USD
    Unit price /  per 
    Sale
  • M100K-FNHX100KCCM-2 Ductile Iron grate Low Profile shallow polymer concrete galv edge ULMA channel

    ULMA M100K W/ Ductile Iron Slotted Grate (1/2M) Class C

    Sale

    ULMA M100K W/ Ductile Iron Slotted Grate (1/2M) Class C

    Regular price From $233.46 USD
    Regular price $290.16 USD Sale price From $233.46 USD
    Unit price /  per 
    Sale
  • M100K-GreekKey Iron Age raw cast iron deco grate polymer concrete galv edge ULMA channel

    ULMA M100K W/ Iron Age Greek Key Grate

    Sale

    ULMA M100K W/ Iron Age Greek Key Grate

    Regular price From $524.99 USD
    Regular price $565.30 USD Sale price From $524.99 USD
    Unit price /  per 
    Sale
  • U100K-GreekKey-boof cast iron deco ironage grate polymer concrete channel ULMA galv edge

    ULMA U100K Drainage Kit with Iron Age Greek Key Grate | Baked on Oil Finish

    Sale

    ULMA U100K Drainage Kit with Iron Age Greek Key Grate | Baked on Oil Finish

    Regular price From $722.26 USD
    Regular price $785.42 USD Sale price From $722.26 USD
    Unit price /  per 
    Sale
  • U100KM-GreekKey Iron Age Cast Iron Deco Raw grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with Iron Age Greek Key Grate | Natual

    Sale

    ULMA U100K Drainage Kit with Iron Age Greek Key Grate | Natual

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 USD
    Unit price /  per 
    Sale
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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 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
  • 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

    $89.29
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $14.40
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