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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
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • 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
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      • 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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  • IA-Minnione-raw-3x12-2-TDSdrains

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

    Sale

    Iron Age IA-MIN-0312 Class B Minnione 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
  • MMG-SB-STAR

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

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

    Regular price From $1,025.11 USD
    Regular price Sale price From $1,025.11 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 
  • Zurn Z886 Drainage Kit w/ DGE Class E Ductile Iron Slotted Grate

    Zurn Z886 Drainage Kit w/ DGE Class E Ductile Iron Slotted Grate

    Zurn Z886 Drainage Kit w/ DGE Class E Ductile Iron Slotted Grate

    Regular price From $1,208.34 USD
    Regular price Sale price From $1,208.34 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Slotted Class A Grates

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

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

    Regular price From $316.38 USD
    Regular price Sale price From $316.38 USD
    Unit price /  per 
  • max-mini-boof-edge-interlaken-boof-2

    TDS™ 3" Sand MAX Mini w/ Interlaken BoOF Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Interlaken BoOF Grate & Oil Rubbed Bronze Edge

    Regular price From $1,068.03 USD
    Regular price Sale price From $1,068.03 USD
    Unit price /  per 
  • ULMA U100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    ULMA U100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Sale

    ULMA U100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Regular price From $206.23 USD
    Regular price $240.15 USD Sale price From $206.23 USD
    Unit price /  per 
    Sale
  • Polycast-w-SS-HD-Bar-Grate-SS-edging2-DK

    POLYCAST® 600 Series Kit w/ DG0669 Stainless Bar Grate & Stainless Edging

    POLYCAST® 600 Series Kit w/ DG0669 Stainless Bar Grate & Stainless Edging

    Regular price From $771.75 USD
    Regular price Sale price From $771.75 USD
    Unit price /  per 
  • New Image Coming Soon

    ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Class A Grates - Stainless Frame

    ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Class A Grates - Stainless Frame

    Regular price From $766.60 USD
    Regular price Sale price From $766.60 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
  • MMG-BF-555 TDS MAX Mini in Gray with Oil Brushed Edge and NDS BoOF Wave Grate

    TDS™ 3" Gray MAX Mini w/ Wave BoOF Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Wave BoOF Grate & Oil Rubbed Bronze Edge

    Regular price From $744.86 USD
    Regular price Sale price From $744.86 USD
    Unit price /  per 
  • MMS-SB-570B bushed satin cathedral mini channel max mini

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Cathedral Grate & Satin Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Cathedral Grate & Satin Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-WHITE HDPE Slotted Class A Grates

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

    ZURN Z884 Drainage Kit w/ P4-HPP-WHITE 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 Locust grate

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

    Sale

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

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • MMG-SB-PED

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Pedreda Grates & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Pedreda Grates & Satin Bronze Edge

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100V w/Bronze Age™ PEDREDA Ductile Iron Heel-Proof Grate - RAW

    Sale

    ULMA M100V w/Bronze Age™ PEDREDA Ductile Iron Heel-Proof Grate - RAW

    Regular price From $310.06 USD
    Regular price $338.65 USD Sale price From $310.06 USD
    Unit price /  per 
    Sale
  • POLY600-SS-641D-TDSdrains stainless steel edge slotted cast iron grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    POLYCAST 600 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    Regular price From $237.04 USD
    Regular price Sale price From $237.04 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Grate - Bottom Outlet

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

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

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • DG3041D TDS 3000 ductile iron slotted grate

    TDS DG3041D Class F Slotted Ductile Iron 8" x 24" Grate

    TDS DG3041D Class F Slotted Ductile Iron 8" x 24" Grate

    Regular price $106.29 USD
    Regular price Sale price $106.29 USD
    Unit price /  per 
  • 12x12-catch-basin-kit-slotted-CI-grate-34

    Catch Basin Kit with Ductile Iron Slotted Grate 12" x 12"

    Catch Basin Kit with Ductile Iron Slotted Grate 12" x 12"

    Regular price From $301.21 USD
    Regular price Sale price From $301.21 USD
    Unit price /  per 
  • POLYCAST 600 Series Kit with DG0657R Perforated Stainless Grate and Edging | Load Class C

    POLYCAST 600 Series Kit with DG0657R Perforated Stainless Grate and Edging | Load Class C

    POLYCAST 600 Series Kit with DG0657R Perforated Stainless Grate and Edging | Load Class C

    Regular price From $536.02 USD
    Regular price Sale price From $536.02 USD
    Unit price /  per 
  • MMG-SB-STAR-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Star Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Star Grate & Satin Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • M100K w/Bronze Age™ Cathedral Ductile Iron Heel-Proof Grate - RAW

    M100K w/Bronze Age™ Cathedral Ductile Iron Heel-Proof Grate - RAW

    Sale

    M100K w/Bronze Age™ Cathedral Ductile Iron Heel-Proof Grate - RAW

    Regular price From $351.07 USD
    Regular price $391.38 USD Sale price From $351.07 USD
    Unit price /  per 
    Sale
  • 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 
  • IA-Dura-Slope-CI-grate-Interlaken-BooF-6x24-TDSdrains

    Iron Age IA-INTER-0624-BF Class B Interlaken Cast Iron 6″ x 24″ Grate - BoOF

    Iron Age IA-INTER-0624-BF Class B Interlaken Cast Iron 6″ x 24″ Grate - BoOF

    Regular price $378.95 USD
    Regular price Sale price $378.95 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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