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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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      • 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
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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
      • Galvanized Steel
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  • DG0644SP-TDG-TDSdrains fiberglass grate .38 spacing Polycast

    POLYCAST FG0644SP Class C Spacing 3/8" Fiberglass BAR 6" x 48" Grate

    POLYCAST FG0644SP Class C Spacing 3/8" Fiberglass BAR 6" x 48" Grate

    Regular price $282.33 USD
    Regular price Sale price $282.33 USD
    Unit price /  per 
  • DP0650-XX-670H Polycast 600 Inline catch basin with HDPE Black slotted grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0670 HDPE Slotted Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0670 HDPE Slotted Grate

    Regular price $382.22 USD
    Regular price Sale price $382.22 USD
    Unit price /  per 
  • POLYCAST 600 with DG0646R

    POLYCAST® 600 Series Kit with DG0646R Reinforced Perforated Galvanized Grate

    POLYCAST® 600 Series Kit with DG0646R Reinforced Perforated Galvanized Grate

    Regular price From $337.62 USD
    Regular price Sale price From $337.62 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus H80 with IA-IA-JOE-0520 Iron Age Regular Joe Grate Class B

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe Raw Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe Raw Cast Iron Grate | Class B

    Regular price From $396.55 USD
    Regular price $403.30 USD Sale price From $396.55 USD
    Unit price /  per 
    Sale
  • ULMA MultiV200 661 - FNX200RGEM Class E

    ULMA 661 Slotted Ductile Iron 9x20 Class E Grate - MultiV+200

    Sale

    ULMA 661 Slotted Ductile Iron 9x20 Class E Grate - MultiV+200

    Regular price $81.02 USD
    Regular price $104.17 USD Sale price $81.02 USD
    Unit price /  per 
    Sale
  • U100K-Janis-boof ironage cast iron grate polymer concrete ulma channel

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

    Sale

    ULMA U100K Drainage Kit with Iron Age Janis 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
  • PCK6-CB06S-DG0657R Catch basin w/ Reinforced Stainless Steel Perforated Grate

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0657RH for POLYCAST®

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0657RH for POLYCAST®

    Regular price $730.68 USD
    Regular price Sale price $730.68 USD
    Unit price /  per 
  • TP0650S Catch basin with DG0655R Stainless Steel Reinforced Wedge Wire Grate

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0655H for POLYCAST®

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0655H for POLYCAST®

    Regular price $744.85 USD
    Regular price Sale price $744.85 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Carbochon Baked on Oil Finish grate

    ULMA U100KX w/ Iron Age Carbochon Grate-BoOF

    Sale

    ULMA U100KX w/ Iron Age Carbochon Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS - 480 Ductile Iron Heel Proof Slotted C250 0.5M

    ULMA HYDROPLUS with 480/FNHX100KCCM Ductile Iron Heel Proof Slotted Grate Class C

    Sale

    ULMA HYDROPLUS with 480/FNHX100KCCM Ductile Iron Heel Proof Slotted Grate Class C

    Regular price From $169.01 USD
    Regular price $214.67 USD Sale price From $169.01 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    POLYCAST 500 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate and HDPE Frame

    POLYCAST 500 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate and HDPE Frame

    Regular price From $446.03 USD
    Regular price Sale price From $446.03 USD
    Unit price /  per 
  • U100KM-FNHX100KCCM-1 cast iron heel-proof grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with 480 Ductile Iron Heel-Proof Grate

    Sale

    ULMA U100K Drainage Kit with 480 Ductile Iron Heel-Proof Grate

    Regular price From $332.15 USD
    Regular price $417.06 USD Sale price From $332.15 USD
    Unit price /  per 
    Sale
  • U100K ULMA galvanized edge channel with reinforced galvanized steel slotted grate

    ULMA U100K Drainage Kit with ULMA Reinforced Slotted 424 Grate | Galvanized

    Sale

    ULMA U100K Drainage Kit with ULMA Reinforced Slotted 424 Grate | Galvanized

    Regular price From $311.44 USD
    Regular price $390.42 USD Sale price From $311.44 USD
    Unit price /  per 
    Sale
  • POLY500-GS-641D Polycast 500 with Galvanized Steel Edge and Polycast DG0641D Slotted Ductile Iron Grates

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    Regular price From $368.97 USD
    Regular price Sale price From $368.97 USD
    Unit price /  per 
  • M100K-PNH100KCAM-BL Poly Black Heel-proof ADA grate polymer concrete galv edge low profile ULMA channel

    ULMA M100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Sale

    ULMA M100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Regular price From $219.20 USD
    Regular price $271.83 USD Sale price From $219.20 USD
    Unit price /  per 
    Sale
  • 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 
  • ULMA U100KX with Black 480 Heel Proof Grate

    ULMA U100KX w/ Ductile Iron Heel-Proof Grate (480)

    Sale

    ULMA U100KX w/ Ductile Iron Heel-Proof Grate (480)

    Regular price From $156.77 USD
    Regular price $201.56 USD Sale price From $156.77 USD
    Unit price /  per 
    Sale
  • NDS-253S-TDSdrains

    NDS 253S Class B ADA Compliant Wave HDPE 4" x 24" Grate - SAND

    NDS 253S Class B ADA Compliant Wave HDPE 4" x 24" Grate - SAND

    Regular price $55.42 USD
    Regular price Sale price $55.42 USD
    Unit price /  per 
  • Deco Botanical Poly Sand Grate with NDS Sand Mini Channel MCKS-554S

    NDS 3" Sand Mini Channel Kit with NDS Botanical Grate - Sand

    NDS 3" Sand Mini Channel Kit with NDS Botanical Grate - Sand

    Regular price From $100.77 USD
    Regular price Sale price From $100.77 USD
    Unit price /  per 
  • NDS Deco Grey Poly Grate with Sand Channel MCKS-554-GY

    NDS 3" Sand Mini Channel Kit with NDS Botanical Grate - Gray

    NDS 3" Sand Mini Channel Kit with NDS Botanical Grate - Gray

    Regular price From $100.77 USD
    Regular price Sale price From $100.77 USD
    Unit price /  per 
  • Hydro Mini Plus with 488 Vinylester FRP .6 on center Grate Class C_1 Meter

    ULMA HYDROPLUS Mini with 488 Fiberglass bar grate - Load Class C

    Sale

    ULMA HYDROPLUS Mini with 488 Fiberglass bar grate - Load Class C

    Regular price From $307.15 USD
    Regular price $388.05 USD Sale price From $307.15 USD
    Unit price /  per 
    Sale
  • NDS Pro Series 5 - Shallow NDS820

    NDS 820 Pro Series 5 Shallow Profile Half Channel Drain, Light Gray

    NDS 820 Pro Series 5 Shallow Profile Half Channel Drain, Light Gray

    Regular price $58.64 USD
    Regular price Sale price $58.64 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 
  • U100K00M-Interlaken-boof cast iron deco ironage grate polymer concrete channel galv edge

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

    Sale

    ULMA U100K Drainage Kit with Iron Age Interlaken 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
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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 $26.22
  • 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
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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