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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
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      • All Load Classes
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      • TDS
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      • 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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  • NDS 885-12x20-CI-grate

    NDS 885 Class C Slotted Cast Iron 12" x 20" Grate

    NDS 885 Class C Slotted Cast Iron 12" x 20" Grate

    Regular price $357.55 USD
    Regular price Sale price $357.55 USD
    Unit price /  per 
  • NDS Dura Slope Inline Catch Basin with DS-232 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-232 Ductile Iron Grate

    NDS® Dura Slope In-Line Catch Basin with DS-232 Ductile Iron Grate

    Regular price From $640.03 USD
    Regular price Sale price From $640.03 USD
    Unit price /  per 
  • J-4223-01 Heavy Duty Cast Iron 14" x 24" x 1.5" Grate | D&L Foundry

    J-4223-01 Heavy Duty Cast Iron 14" x 24" x 1.5" Grate | D&L Foundry

    J-4223-01 Heavy Duty Cast Iron 14" x 24" x 1.5" Grate | D&L Foundry

    Regular price $251.52 USD
    Regular price Sale price $251.52 USD
    Unit price /  per 
  • POLY700-PE-644SP polycast 700 with HDPE frame and Fiberglass 644SP grates

    POLYCAST® 700 Vinyl Ester Series Kit w/FG0644SP Fiberglass Slotted Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/FG0644SP Fiberglass Slotted Grate & HDPE Frame

    Regular price From $843.09 USD
    Regular price Sale price From $843.09 USD
    Unit price /  per 
  • ULMA M100V w/Bronze Age™ BARS Ductile Iron Heel-Proof Grate - RAW

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

    Sale

    ULMA M100V w/Bronze Age™ BARS 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
  • MMG-BF-STARS-B

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

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

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 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 
  • 9x9 NDS Catch Basin

    NDS 12" Low Profile Catch Basin Kit w/Iron Age Interlaken Grate | RAW

    NDS 12" Low Profile Catch Basin Kit w/Iron Age Interlaken Grate | RAW

    Regular price From $296.57 USD
    Regular price Sale price From $296.57 USD
    Unit price /  per 
  • NDS-671 WHITE Dura Slope Plastic Perforated Grate

    NDS® DS-671 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - WHITE

    NDS® DS-671 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - WHITE

    Regular price $70.40 USD
    Regular price Sale price $70.40 USD
    Unit price /  per 
  • MAX Mini Brushed Tardis

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

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

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • TDS500S-TDSdrains

    NDS 500S Mini Channel 3" x 72" - SAND

    NDS 500S Mini Channel 3" x 72" - SAND

    Regular price $83.58 USD
    Regular price Sale price $83.58 USD
    Unit price /  per 
  • MV+200DI-660

    ULMA MV+200D w/ 660 Ductile Iron 9X20 Slotted Grate Class D

    Sale

    ULMA MV+200D w/ 660 Ductile Iron 9X20 Slotted Grate Class D

    Regular price From $195.77 USD
    Regular price $251.70 USD Sale price From $195.77 USD
    Unit price /  per 
    Sale
  • LPK09-913-34

    NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

    NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

    Regular price From $214.40 USD
    Regular price Sale price From $214.40 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-232 Ductile Iron Grate and Frame

    NDS® Dura Slope In-Line Catch Basin with DS-232 Ductile Iron Grate and Frame

    Regular price From $710.91 USD
    Regular price Sale price From $710.91 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-WHITE HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-WHITE HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-WHITE HDPE Slotted Grate - Vandal Proof Locks

    Regular price $367.00 USD
    Regular price Sale price $367.00 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-602 Cast Iron Diamond Grate RAW

    NDS® Dura Slope In-Line Catch Basin with DS-602 Cast Iron Diamond Grate RAW

    Regular price From $672.31 USD
    Regular price Sale price From $672.31 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-609-BF Cast Iron Deco Slot Grate BoOF

    NDS® Dura Slope In-Line Catch Basin with DS-609-BF Cast Iron Deco Slot Grate BoOF

    Regular price From $699.91 USD
    Regular price Sale price From $699.91 USD
    Unit price /  per 
  • NDS 1811 NDS 18" Black HDPE Slotted Catch Basin Grate

    NDS 1811 Class B ADA Compliant Slotted HDPE 18" x 18" Grate - BLACK

    NDS 1811 Class B ADA Compliant Slotted HDPE 18" x 18" Grate - BLACK

    Regular price $221.54 USD
    Regular price Sale price $221.54 USD
    Unit price /  per 
  • FWAS24WH NDS Flo-Well System Top Inlet

    NDS FWAS24WH Flo-Well Kit

    NDS FWAS24WH Flo-Well Kit

    Regular price $217.36 USD
    Regular price Sale price $217.36 USD
    Unit price /  per 
  • ZURN P12-DGE_Ductile Iron Grate_Class E

    Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

    Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

    Regular price $405.60 USD
    Regular price Sale price $405.60 USD
    Unit price /  per 
  • Zurn P6-RFSC

    Zurn P6-FG Class A Slotted Heel-Proof Galvanized Steel 6" x 40" Grate

    Zurn P6-FG Class A Slotted Heel-Proof Galvanized Steel 6" x 40" Grate

    Regular price $161.60 USD
    Regular price Sale price $161.60 USD
    Unit price /  per 
  • BA-LUNA-0312-BF TDS Bronze Age Luna Grate in Ductile Iron with BoOF finish

    TDS® 3" Gray Max Mini w/ Bronze Age™ Luna Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Gray Max Mini w/ Bronze Age™ Luna Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $722.26 USD
    Regular price Sale price From $722.26 USD
    Unit price /  per 
  • MMS-SB-BARS

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

    TDS™ 3" Sand 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 
  • MAX Mini with natural bronze Tardis 3 inch grate

    TDS™ 3" MAX Mini w/ Natural Bronze Tardis Grate - Sand Channel

    TDS™ 3" MAX Mini w/ Natural Bronze Tardis Grate - Sand Channel

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • ULMA D100_0.6 Vinyl Ester FRP 488 Grate

    ULMA D100 Drain Channel w/488 Slotted Fiberglass Grate - Class C

    Sale

    ULMA D100 Drain Channel w/488 Slotted Fiberglass Grate - Class C

    Regular price From $478.41 USD
    Regular price $553.91 USD Sale price From $478.41 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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