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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
    • Load Class
      • Load Class A
      • Load Class B
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      • Load Class D
      • Load Class E
      • Load Class F
      • 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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      • Stainless Steel
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Products Blogs
  • PCK6-DG0640 POLYCAST with Galvanized Steel Slotted Grate

    POLYCAST®600 Series Kit w/ DG0640 Slotted Galvanized Grate | Load Class B

    POLYCAST®600 Series Kit w/ DG0640 Slotted Galvanized Grate | Load Class B

    Regular price From $212.50 USD
    Regular price Sale price From $212.50 USD
    Unit price /  per 
  • POLY600-SS-657-TDSdrains stainless steel perforated grate stainless edge polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657 Perforated Stainless Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657 Perforated Stainless Grate & Edge

    Regular price From $454.05 USD
    Regular price Sale price From $454.05 USD
    Unit price /  per 
  • ULMA M100KX Drain Channel kit w/Bronze Age™ LUNA Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ LUNA Grate-RAW

    Sale

    ULMA M100KX Drain Channel kit w/Bronze Age™ LUNA Grate-RAW

    Regular price From $426.85 USD
    Regular price $488.80 USD Sale price From $426.85 USD
    Unit price /  per 
    Sale
  • POLYCAST polymer concrete channel with Stainless Steel Wire Wedge Grate

    POLYCAST 600 Series Kit with DG0655 Wedge Wire Stainless Steel Grate - Load Class B

    POLYCAST 600 Series Kit with DG0655 Wedge Wire Stainless Steel Grate - Load Class B

    Regular price From $277.42 USD
    Regular price Sale price From $277.42 USD
    Unit price /  per 
  • NDS Dura Slope Inline Catch Basin with DS-228 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-228 Perforated Galvanized Steel - ADA Compliant

    NDS® Dura Slope In-Line Catch Basin with DS-228 Perforated Galvanized Steel - ADA Compliant

    Regular price From $647.14 USD
    Regular price Sale price From $647.14 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 
  • Iron Age Mission Bay Grating in the Ulma U100KX Channel

    ULMA U100KX Drain Channel w/ Iron Age Mission Bay Grate-RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Mission Bay Grate-RAW

    Regular price From $293.19 USD
    Regular price $327.11 USD Sale price From $293.19 USD
    Unit price /  per 
    Sale
  • USF 6235 24x24 Grate

    USF 6235 Slotted Gray Iron 24" X 24" Catch Basin Grate | Load Class D

    USF 6235 Slotted Gray Iron 24" X 24" Catch Basin Grate | Load Class D

    Regular price $485.30 USD
    Regular price Sale price $485.30 USD
    Unit price /  per 
  • M100KX polymer concrete channel with stainless steel edge with Iron Age Raw Cast Iron Janis grate

    ULMA M100KX Kit with Iron Age JA5-20I21 Janis Grate - RAW

    Sale

    ULMA M100KX Kit with Iron Age JA5-20I21 Janis Grate - RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • ULMA M100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Sale

    ULMA M100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Regular price From $426.85 USD
    Regular price $488.80 USD Sale price From $426.85 USD
    Unit price /  per 
    Sale
  • POLY600-SS-644 Polycast 600 Stainless Steel Edge with DG0644 Fiberglass Grate

    POLYCAST® 600 Vinyl Ester Series Kit with FG0644 Slotted Fiberglass Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit with FG0644 Slotted Fiberglass Grate & Stainless Edge

    Regular price From $463.43 USD
    Regular price Sale price From $463.43 USD
    Unit price /  per 
  • IA-6in-round-Interlaken-DK

    Iron Age IA-INTER-6D-HP Class B Interlaken 6" Dia Grate – RAW

    Iron Age IA-INTER-6D-HP Class B Interlaken 6" Dia Grate – RAW

    Regular price $104.39 USD
    Regular price Sale price $104.39 USD
    Unit price /  per 
  • POLY600-DG0620-GE Cathedral Galv

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    Regular price From $280.85 USD
    Regular price Sale price From $280.85 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 
  • ULMA U100KX with 488 Vinyl Ester 0.6 FRP Grate

    ULMA U100KX Kit with TDS 488 Vinyl Ester Bar Grate 0.6" on Center (1M)

    Sale

    ULMA U100KX Kit with TDS 488 Vinyl Ester Bar Grate 0.6" on Center (1M)

    Regular price From $237.95 USD
    Regular price $305.93 USD Sale price From $237.95 USD
    Unit price /  per 
    Sale
  • IA-Minnione-boof-3x12-TDSdrains

    Iron Age IA-MIN-0312-BF Class B Minnione Cast Iron 3" x 12" Grate - BoOF

    Sale

    Iron Age IA-MIN-0312-BF Class B Minnione Cast Iron 3" x 12" Grate - BoOF

    Regular price $114.40 USD
    Regular price $114.40 USD Sale price $114.40 USD
    Unit price /  per 
    Sale
  • U1kX-IA-QUE-HP-BF

    ULMA U100KX Drain Channel w/ Iron Age Que Grate - BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Que Grate - BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • POLY600-SS-647-DK stainless steel edge stainless steel slotted grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0647 Slotted Stainless Grate and Edging

    POLYCAST 600 Series Kit with DG0647 Slotted Stainless Grate and Edging

    Regular price From $342.78 USD
    Regular price Sale price From $342.78 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Oblio grate

    ULMA U100KX Drain Channel w/ Iron Age Oblio Grate - RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Oblio Grate - RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • BA-STAR-0312-D TDS Bronze Age Star Grate in Ductile Iron

    Bronze Age™ BA-STAR-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Bronze Age™ BA-STAR-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Regular price $64.95 USD
    Regular price Sale price $64.95 USD
    Unit price /  per 
  • DG3044 Fiberglass I-Grate

    TDS FG3044 Class C VE Fiberglass I-Bar with Grit 8" x 48" Grate

    TDS FG3044 Class C VE Fiberglass I-Bar with Grit 8" x 48" Grate

    Regular price $496.05 USD
    Regular price Sale price $496.05 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100KX Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Sale

    ULMA U100KX Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Regular price From $139.81 USD
    Regular price $179.75 USD Sale price From $139.81 USD
    Unit price /  per 
    Sale
  • POLY700-AA-669-TDSdrains

    POLYCAST 700 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    POLYCAST 700 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    Regular price From $1,590.58 USD
    Regular price Sale price From $1,590.58 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 
  • MMG-SB-BA-BARS

    TDS™ 3" Gray MAX Mini w/ Natural Bronze BARS Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze BARS Grate & Satin Bronze Edge

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 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
Shop All

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