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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
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      • 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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  • POLY700-AA-675D-TDSdrains cast iron frame transverse cast iron grate polymer concrete channel Polycast

    POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

    POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

    Regular price From $297.79 USD
    Regular price Sale price From $297.79 USD
    Unit price /  per 
  • 234-Bottom-Outlet Spee-D channel NDS

    Bottom Outlet for NDS® Spee-D Channel

    Bottom Outlet for NDS® Spee-D Channel

    Regular price $62.88 USD
    Regular price Sale price $62.88 USD
    Unit price /  per 
  • POLYCAST®500 Series Kit w/ DG0655 Stainless Wedge Wire Grate | Load Class B

    POLYCAST®500 Series Kit w/ DG0655 Stainless Wedge Wire Grate | Load Class B

    POLYCAST®500 Series Kit w/ DG0655 Stainless Wedge Wire Grate | Load Class B

    Regular price From $866.66 USD
    Regular price Sale price From $866.66 USD
    Unit price /  per 
  • Z886-DGC Zurn Z886 with DGC grate

    Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate & Bottom Outlet

    Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate & Bottom Outlet

    Regular price From $1,181.66 USD
    Regular price Sale price From $1,181.66 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate

    Regular price From $368.66 USD
    Regular price Sale price From $368.66 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    Sale

    ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    Regular price From $267.93 USD
    Regular price $291.86 USD Sale price From $267.93 USD
    Unit price /  per 
    Sale
  • M100KX w/Ductile Iron Slotted Grate Class C (460)-ULMA

    M100KX w/Ductile Iron Slotted Grate Class C (460)-ULMA

    Sale

    M100KX w/Ductile Iron Slotted Grate Class C (460)-ULMA

    Regular price From $309.23 USD
    Regular price $387.59 USD Sale price From $309.23 USD
    Unit price /  per 
    Sale
  • DP_0699M-DK male to male adapter Polycast

    POLYCAST DP0699M Channel Adapter Male-to-Male

    POLYCAST DP0699M Channel Adapter Male-to-Male

    Regular price $40.91 USD
    Regular price Sale price $40.91 USD
    Unit price /  per 
  • IA-ANISE-0520-HP-BF BOOF Iron Age Grate

    Iron Age IA-ANISE-0520-HP-BF Class B Cast Iron 5x20 Heel Proof ADA Compliant Grate - BoOF

    Iron Age IA-ANISE-0520-HP-BF Class B Cast Iron 5x20 Heel Proof ADA Compliant Grate - BoOF

    Regular price $210.21 USD
    Regular price Sale price $210.21 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA HYDROPLUS w/ 462G Ductile Iron Grate - Class D

    Sale

    ULMA HYDROPLUS w/ 462G Ductile Iron Grate - Class D

    Regular price From $158.10 USD
    Regular price $200.65 USD Sale price From $158.10 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 
  • POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    Regular price From $217.81 USD
    Regular price Sale price From $217.81 USD
    Unit price /  per 
  • POLY500-XX-644 Polycast 500 with DG0644 Fiberglass Grates with 5/8" slot openings

    POLYCAST 500 Series Kit with FG0644 Vinyl-Ester Bar 5/8" Spacing Grate

    POLYCAST 500 Series Kit with FG0644 Vinyl-Ester Bar 5/8" Spacing Grate

    Regular price From $504.22 USD
    Regular price Sale price From $504.22 USD
    Unit price /  per 
  • 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 
  • IA-ARGO-0520 raw cast iron decorative grate

    Iron Age IA-ARGO-0520-HP Class B ADA Heel-Proof Argo Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-ARGO-0520-HP Class B ADA Heel-Proof Argo Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • Iron Age IA-ANISE-4D-BF Class B Anise Cast Iron 4" Dia. Grate - BoOF

    Iron Age IA-ANISE-4D-BF Class B Anise Cast Iron 4" Dia. Grate - BoOF

    Iron Age IA-ANISE-4D-BF Class B Anise Cast Iron 4" Dia. Grate - BoOF

    Regular price $77.22 USD
    Regular price Sale price $77.22 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA D100 Drain Channel w/402 Mesh Galvanized Grate - Class B

    Sale

    ULMA D100 Drain Channel w/402 Mesh Galvanized Grate - Class B

    Regular price From $310.24 USD
    Regular price $337.69 USD Sale price From $310.24 USD
    Unit price /  per 
    Sale
  • Hydro Plus with 402 Galvanized Mesh Class B

    ULMA HYDROPLUS with 402 / GEX100KCB Galvanized Mesh Grate Class B

    Sale

    ULMA HYDROPLUS with 402 / GEX100KCB Galvanized Mesh Grate Class B

    Regular price From $163.53 USD
    Regular price $207.63 USD Sale price From $163.53 USD
    Unit price /  per 
    Sale
  • ULMA D100-495

    ULMA D100 Drain Channel w/495 Gray Slotted Plastic Grate - Class A

    Sale

    ULMA D100 Drain Channel w/495 Gray Slotted Plastic Grate - Class A

    Regular price From $287.93 USD
    Regular price $309.00 USD Sale price From $287.93 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    Zurn Z886 Drainage Kit w/P6-FS Stainless Slotted Grate - Bottom Outlet

    Zurn Z886 Drainage Kit w/P6-FS Stainless Slotted Grate - Bottom Outlet

    Regular price From $1,396.69 USD
    Regular price Sale price From $1,396.69 USD
    Unit price /  per 
  • PCK5-DG0647 POLYCAST 500 Series with DG0647 Stainless Steel Grates

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    Regular price From $359.91 USD
    Regular price Sale price From $359.91 USD
    Unit price /  per 
  • NDS 24 inch Catch Basin with Irn Age Interlaken BoOF Cast Iron Grate

    NDS 18" Catch Basin Kit with Iron Age Interlaken Grate | Baked on Oil Finish

    NDS 18" Catch Basin Kit with Iron Age Interlaken Grate | Baked on Oil Finish

    Regular price From $1,100.05 USD
    Regular price Sale price From $1,100.05 USD
    Unit price /  per 
  • POLYCAST 400 w/DG0442

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    Regular price From $265.11 USD
    Regular price Sale price From $265.11 USD
    Unit price /  per 
  • ZURN P886-FG Galvanized Slotted Grates

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Grate - Bottom Outlet

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Grate - Bottom Outlet

    Regular price From $991.15 USD
    Regular price Sale price From $991.15 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
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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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