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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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      • All Load Classes
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    • 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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      • Ductile/Cast Iron
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  • Z886-DGC Zurn Z886 with DGC grate

    Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate & Bottom Outlet - Vandal Proof Locks

    Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate & Bottom Outlet - Vandal Proof Locks

    Regular price From $1,215.26 USD
    Regular price Sale price From $1,215.26 USD
    Unit price /  per 
  • ULMA D100_462G Gatic Grate

    ULMA D100 Drain Channel w/ TDS 462G Slotted Ductile Iron Grate - Class D

    ULMA D100 Drain Channel w/ TDS 462G Slotted Ductile Iron Grate - Class D

    Regular price From $330.71 USD
    Regular price Sale price From $330.71 USD
    Unit price /  per 
  • 9372 NDS Slim Channel Tee with Sand Slotted Grate

    NDS 9372 Slim Channel TEE with Slotted Grate - SAND

    NDS 9372 Slim Channel TEE with Slotted Grate - SAND

    Regular price $48.75 USD
    Regular price Sale price $48.75 USD
    Unit price /  per 
  • NDS270-2inch-atrium-grate-grey

    NDS 270 Atrium HDPE 2" Dia. Grate

    NDS 270 Atrium HDPE 2" Dia. Grate

    Regular price $11.59 USD
    Regular price Sale price $11.59 USD
    Unit price /  per 
  • Zurn Z884 with Cast Iron Slotted Grate

    ZURN Z884 Drainage Kit w/ P4-CG Cast Iron Slotted Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-CG Cast Iron Slotted Grate - Bottom Outlet

    Regular price From $413.12 USD
    Regular price Sale price From $413.12 USD
    Unit price /  per 
  • ULMA D100 with 410 perforated stainless steel grate

    ULMA D100 Drain Channel w/410 Perforated w/Tread Galvanized Grate - Class A

    Sale

    ULMA D100 Drain Channel w/410 Perforated w/Tread Galvanized Grate - Class A

    Regular price From $249.86 USD
    Regular price $262.54 USD Sale price From $249.86 USD
    Unit price /  per 
    Sale
  • Iron Age Regular Joe Heel Proof BoOF

    Iron Age IA-JOE-0820-HP-BF REGULAR JOE Heel Proof Cast Iron Grate – 8" x 20" BoOF

    Iron Age IA-JOE-0820-HP-BF REGULAR JOE Heel Proof Cast Iron Grate – 8" x 20" BoOF

    Regular price $414.70 USD
    Regular price Sale price $414.70 USD
    Unit price /  per 
  • IA-ANISE-0520-HP Raw Iron Age Grate

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

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

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • ULMA HYDROPLUS with Iron Age Oblio Heel Proof Cast Iron Raw Grate

    ULMA HYDROPLUS w/ IA-OBLIO-0520-HP Oblio Heel Proof Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS w/ IA-OBLIO-0520-HP Oblio Heel Proof Raw Cast Iron Grate Class B

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with IA-RIV-0520-BF Iron Age River Rock Grate- BoOF Class B

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    Sale

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    Regular price From $559.11 USD
    Regular price $583.04 USD Sale price From $559.11 USD
    Unit price /  per 
    Sale
  • ULMA M100V Shallow Neutral Channel (1M) - No edge

    ULMA M100V Shallow Neutral Channel (1M) - No edge

    Sale

    ULMA M100V Shallow Neutral Channel (1M) - No edge

    Regular price $43.76 USD
    Regular price $56.26 USD Sale price $43.76 USD
    Unit price /  per 
    Sale
  • ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • IA-Inter-CB12-BF Iron Age Interlaken 12" Catch Basin Grate in Baked on Oil Finish Cast Iron

    Iron Age IA-INTER-CB12-BF Class B Interlaken Cast Iron 12" x 12" Grate - BoOF

    Iron Age IA-INTER-CB12-BF Class B Interlaken Cast Iron 12" x 12" Grate - BoOF

    Regular price $311.74 USD
    Regular price Sale price $311.74 USD
    Unit price /  per 
  • POLY600-GS-692-TDSdrains cast iron patriot grate galv steel edge polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0692 Patriot Ductile Iron Grate- Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0692 Patriot Ductile Iron Grate- Stainless Edge

    Regular price From $408.63 USD
    Regular price Sale price From $408.63 USD
    Unit price /  per 
  • POLY700-PE-647R

    POLYCAST® 700 Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    POLYCAST® 700 Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    Regular price From $564.21 USD
    Regular price Sale price From $564.21 USD
    Unit price /  per 
  • ULMA D100 480

    ULMA D100 Drain Channel w/480 Slotted Ductile Iron Grate - Class C

    Sale

    ULMA D100 Drain Channel w/480 Slotted Ductile Iron Grate - Class C

    Regular price From $315.72 USD
    Regular price $344.73 USD Sale price From $315.72 USD
    Unit price /  per 
    Sale
  • Z886-DGC Zurn Z886 with DGC grate

    Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate - Class C

    Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate - Class C

    Regular price From $1,080.28 USD
    Regular price Sale price From $1,080.28 USD
    Unit price /  per 
  • New Image Coming Soon

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Cast Iron Grate - VP Locks - Bottom Outlet & Stainless Frame

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Cast Iron Grate - VP Locks - Bottom Outlet & Stainless Frame

    Regular price From $671.53 USD
    Regular price Sale price From $671.53 USD
    Unit price /  per 
  • ULMA U100KX with Stainless Steel Edge and Stainless Steel Perforated Grate

    ULMA U100KX w/ Stainless Steel Perforated Grate (440)

    Sale

    ULMA U100KX w/ Stainless Steel Perforated Grate (440)

    Regular price From $477.69 USD
    Regular price $604.17 USD Sale price From $477.69 USD
    Unit price /  per 
    Sale
  • Hydro Plus with 486 Vinylester .9 inch center 1M Grate Class B

    ULMA HYDROPLUS with (486) Vinyl Ester FRP (0.9" on center) 1M Grates Class B

    Sale

    ULMA HYDROPLUS with (486) Vinyl Ester FRP (0.9" on center) 1M Grates Class B

    Regular price From $242.81 USD
    Regular price $309.57 USD Sale price From $242.81 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
  • POLYCAST 600 with DG0670

    POLYCAST® 600 Vinyl Ester Series Kit with DG0670 Slotted HDPE Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0670 Slotted HDPE Grate

    Regular price From $307.48 USD
    Regular price Sale price From $307.48 USD
    Unit price /  per 
  • M100K-FNHX100KCCM-1 Wave heel-proof cast iron grate polymer concrete galv edge ULMA channel

    ULMA M100K W/Ductile Iron Heel-proof Wave Grate (1/2 M) Class C

    Sale

    ULMA M100K W/Ductile Iron Heel-proof Wave Grate (1/2 M) Class C

    Regular price From $252.15 USD
    Regular price $314.19 USD Sale price From $252.15 USD
    Unit price /  per 
    Sale
  • Core Drilling

    Core Drill - Polymer Concrete Channels

    Core Drill - Polymer Concrete Channels

    Regular price $50.00 USD
    Regular price Sale price $50.00 USD
    Unit price /  per 
  • 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 
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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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