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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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      • 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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      • Ductile/Cast Iron
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  • NDS 900 009

    NDS 999 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - GRAY

    NDS 999 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - GRAY

    Regular price $49.51 USD
    Regular price Sale price $49.51 USD
    Unit price /  per 
  • MMG-BF-CATH-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Cathedral Grates & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Cathedral Grates & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • Zurn Z886 Drainage Kit w/ DGE Ductile Iron Slotted Grate w/Frame

    Zurn Z886 Drainage Kit w/ DGE Ductile Iron Slotted Grate w/Frame

    Zurn Z886 Drainage Kit w/ DGE Ductile Iron Slotted Grate w/Frame

    Regular price From $1,571.19 USD
    Regular price Sale price From $1,571.19 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0623 Square Deco Perforated Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0623 Square Deco Perforated Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0623 Square Deco Perforated Grate | Class A

    Regular price From $394.00 USD
    Regular price Sale price From $394.00 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 
  • ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $399.80 USD
    Regular price Sale price From $399.80 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $2,026.34 USD
    Regular price Sale price From $2,026.34 USD
    Unit price /  per 
  • ULMA U100KX with Stainless Steel Edge and Stainless Steel Slotted Grate

    ULMA U100KX w/ Reinforced Stainless Steel Slotted Grate (454) Class C

    Sale

    ULMA U100KX w/ Reinforced Stainless Steel Slotted Grate (454) Class C

    Regular price From $296.01 USD
    Regular price $380.58 USD Sale price From $296.01 USD
    Unit price /  per 
    Sale
  • POLYCAST 600 with DG0631 SS Edge and SLOT grate

    POLYCAST 600 Series Kit w/ DG0631 Slotted Stainless Steel Grate & Edging | Load Class A

    POLYCAST 600 Series Kit w/ DG0631 Slotted Stainless Steel Grate & Edging | Load Class A

    Regular price From $317.18 USD
    Regular price Sale price From $317.18 USD
    Unit price /  per 
  • M100KX Polymer concrete linear channel with stainless steel edge with 495 grey poly grates

    ULMA M100KX Kit with 495 / PNH100KCAM-GRIS ADA Heel-Proof Poly Grate -GRAY

    Sale

    ULMA M100KX Kit with 495 / PNH100KCAM-GRIS ADA Heel-Proof Poly Grate -GRAY

    Regular price From $301.11 USD
    Regular price $377.15 USD Sale price From $301.11 USD
    Unit price /  per 
    Sale
  • ULMA U100KX Kit

    ULMA U100KX Drain Channel with Stainless Steel Edging w/o Grate

    Sale

    ULMA U100KX Drain Channel with Stainless Steel Edging w/o Grate

    Regular price From $105.08 USD
    Regular price $135.10 USD Sale price From $105.08 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
  • MMG-SS-CATH MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Cathedral HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Cathedral HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $704.11 USD
    Regular price Sale price From $704.11 USD
    Unit price /  per 
  • NDS888-ductile-iron-slot-grate

    NDS 888 Class C Slotted Ductile Iron Grate 8" x 20" (Nominal Dimensions)

    NDS 888 Class C Slotted Ductile Iron Grate 8" x 20" (Nominal Dimensions)

    Regular price $245.10 USD
    Regular price Sale price $245.10 USD
    Unit price /  per 
  • NDS1212S Slot HDPE Sand Catch Basin Grate

    NDS 1212S Class B ADA Compliant Slotted HDPE 12" x 12" Grate - SAND

    NDS 1212S Class B ADA Compliant Slotted HDPE 12" x 12" Grate - SAND

    Regular price $71.12 USD
    Regular price Sale price $71.12 USD
    Unit price /  per 
  • Zurn_Z884_HDPE_Plastic_Grate_4_x_20-Dark_Gray Z884 drain kit with Dark gray slotted grate

    ZURN Z884 Drainage Kit w/ P4-HPP-DK-GREY HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-DK-GREY HDPE Slotted Class A Grates

    Regular price From $316.38 USD
    Regular price Sale price From $316.38 USD
    Unit price /  per 
  • NDS Dura Slope Inline Catch Basin with DS-601-BF Grate

    NDS® Dura Slope In-Line Catch Basin with DS-601 Cast Iron Weave Grate BoOF

    NDS® Dura Slope In-Line Catch Basin with DS-601 Cast Iron Weave Grate BoOF

    Regular price From $699.91 USD
    Regular price Sale price From $699.91 USD
    Unit price /  per 
  • 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 
  • New Image Coming Soon

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks & Stainless Frame

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - Vandal Proof Locks & Stainless Frame

    Regular price From $817.22 USD
    Regular price Sale price From $817.22 USD
    Unit price /  per 
  • 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
  • IA-QUE-3x12 Iron Age Cast Iron for Mini Channel

    Iron Age IA-QUE-0312-HP Class B Transverse Slotted Cast Iron 3" x 12" Grate - RAW

    Sale

    Iron Age IA-QUE-0312-HP Class B Transverse Slotted Cast Iron 3" x 12" Grate - RAW

    Regular price $78.65 USD
    Regular price $78.65 USD Sale price $78.65 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with Galvanized Slotted 420-Class A

    ULMA HYDROPLUS with 420 / GN100KCA Galvanized Slotted Grate Class A

    Sale

    ULMA HYDROPLUS with 420 / GN100KCA Galvanized Slotted Grate Class A

    Regular price From $112.01 USD
    Regular price $145.13 USD Sale price From $112.01 USD
    Unit price /  per 
    Sale
  • Hydro Plus with 406 Heelproof Galvanized Mesh Grate

    ULMA HYDROPLUS with 406 / GEHX100KCB Galvanized Heel-Proof Mesh Grate Class B

    Sale

    ULMA HYDROPLUS with 406 / GEHX100KCB Galvanized Heel-Proof Mesh Grate Class B

    Regular price From $1,296.93 USD
    Regular price $1,622.03 USD Sale price From $1,296.93 USD
    Unit price /  per 
    Sale
  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Class A Grates

    Regular price From $316.38 USD
    Regular price Sale price From $316.38 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Regular Joe grate

    ULMA U100KX Drain Channel w/ Iron Age Regular Joe Grate - RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Regular Joe Grate - RAW

    Regular price From $719.51 USD
    Regular price $815.39 USD Sale price From $719.51 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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