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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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      • Plastic
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • 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
      • 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
      • Fiberglass
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  • MV+200KX-660

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

    Sale

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

    Regular price From $256.67 USD
    Regular price $330.00 USD Sale price From $256.67 USD
    Unit price /  per 
    Sale
  • Polycast-DG0657-TDSdrains stainless perforated reinforced Polycast grate

    POLYCAST DG0657H ADA Perforated Stainless Steel 6" x 24" (Nominal) Grate Class B

    POLYCAST DG0657H ADA Perforated Stainless Steel 6" x 24" (Nominal) Grate Class B

    Regular price $146.97 USD
    Regular price Sale price $146.97 USD
    Unit price /  per 
  • Spee-D BA Cathedral Stainless Steel Grate

    Bronze Age TDS-CATH-0448-S 304 Stainless Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-CATH-0448-S 304 Stainless Steel 4.09" x 48" (Nominal) Grate

    Regular price $312.39 USD
    Regular price Sale price $312.39 USD
    Unit price /  per 
  • MMG-SS-DECO MAX Mini kit with gray channel and stainless steel grate

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

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

    Regular price From $608.11 USD
    Regular price Sale price From $608.11 USD
    Unit price /  per 
  • Spee-D BA Square Deco Stainless Steel Grate

    Bronze Age™ TDS-DECO-0424-S 304 Stainless Steel 4.09" x 24" Grate

    Bronze Age™ TDS-DECO-0424-S 304 Stainless Steel 4.09" x 24" Grate

    Regular price $156.20 USD
    Regular price Sale price $156.20 USD
    Unit price /  per 
  • ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    Sale

    ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    Regular price From $155.28 USD
    Regular price $174.64 USD Sale price From $155.28 USD
    Unit price /  per 
    Sale
  • NDS 5 inch Pro Series end outlet

    NDS 864 Pro Series 5 Drain Kit w/Plastic Grate

    NDS 864 Pro Series 5 Drain Kit w/Plastic Grate

    Regular price $89.41 USD
    Regular price Sale price $89.41 USD
    Unit price /  per 
  • 454 IN100KCC Reinforced SS Slotted

    ULMA 454 / IN100KCC Reinforced Stainless Steel Slotted Grate 1M Class C

    Sale

    ULMA 454 / IN100KCC Reinforced Stainless Steel Slotted Grate 1M Class C

    Regular price $289.88 USD
    Regular price $372.71 USD Sale price $289.88 USD
    Unit price /  per 
    Sale
  • M100KX ULMA polymer concrete channel with stainless steel edge and Iron Age Raw Cast Iron grate

    ULMA M100KX Kit with Iron Age RJA5-20I21 Regular Joe Grate-RAW

    Sale

    ULMA M100KX Kit with Iron Age RJA5-20I21 Regular Joe Grate-RAW

    Regular price From $594.72 USD
    Regular price $654.95 USD Sale price From $594.72 USD
    Unit price /  per 
    Sale
  • Polycast 700 with DG0646R Reinforced perforated Galvanized Steel Grates and Cast Iron Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-Cast Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-Cast Frame

    Regular price From $389.01 USD
    Regular price Sale price From $389.01 USD
    Unit price /  per 
  • nds541-plastic grey-slotted-grate-TDS

    NDS 541 Class B ADA Compliant Heel-Proof HDPE 3" x 36" Grate - GRAY

    NDS 541 Class B ADA Compliant Heel-Proof HDPE 3" x 36" Grate - GRAY

    Regular price $29.28 USD
    Regular price Sale price $29.28 USD
    Unit price /  per 
  • NDS 252GY - Box of 12 - Class B ADA Heel-Proof Botanical HDPE 4" x 24" (Nominal) Grate - GRAY

    NDS 252GY - Box of 12 - Class B ADA Heel-Proof Botanical HDPE 4" x 24" (Nominal) Grate - GRAY

    NDS 252GY - Box of 12 - Class B ADA Heel-Proof Botanical HDPE 4" x 24" (Nominal) Grate - GRAY

    Regular price $665.06 USD
    Regular price Sale price $665.06 USD
    Unit price /  per 
  • DS-609-Deco-Slotted-CI-grate dura slope NDS cast iron grate

    NDS DS-609 Class C Slotted Ductile Iron 6" x 24" Grate - RAW

    NDS DS-609 Class C Slotted Ductile Iron 6" x 24" Grate - RAW

    Regular price $127.08 USD
    Regular price Sale price $127.08 USD
    Unit price /  per 
  • M100K-GP100KCA Galvanized perforated grate polymer concrete galv edge ULMA channel

    ULMA M100K W/Galv. Steel Perforated Grate (1M)

    Sale

    ULMA M100K W/Galv. Steel Perforated Grate (1M)

    Regular price From $187.38 USD
    Regular price $233.40 USD Sale price From $187.38 USD
    Unit price /  per 
    Sale
  • BA-CATH-0336 Stainless Steel Slot 3x36

    Bronze Age™ TDS-CATH-0312-L Cathedral 316L Stainless Steel 3″x12″ Grate

    Bronze Age™ TDS-CATH-0312-L Cathedral 316L Stainless Steel 3″x12″ Grate

    Regular price $83.00 USD
    Regular price Sale price $83.00 USD
    Unit price /  per 
  • sand wave mini channel NDS

    NDS 555S Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

    NDS 555S Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

    Regular price $37.30 USD
    Regular price Sale price $37.30 USD
    Unit price /  per 
  • ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Sale

    ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Regular price From $426.85 USD
    Regular price $488.80 USD Sale price From $426.85 USD
    Unit price /  per 
    Sale
  • 6516 USF cast iron frame - set of 2

    Heavy Duty Gray Iron USF 6516-2 Frame Rails 1.5" x 48" (Set of 2)

    Heavy Duty Gray Iron USF 6516-2 Frame Rails 1.5" x 48" (Set of 2)

    Regular price $232.12 USD
    Regular price Sale price $232.12 USD
    Unit price /  per 
  • ULMA M100KX polymer concrete stainless steel edged channel with Iron Age Raw Cast Iron Minnione grate

    ULMA M100KX Kit with Iron Age MA5-20I21 Minnione Grate RAW

    Sale

    ULMA M100KX Kit with Iron Age MA5-20I21 Minnione Grate RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • MCK-BA-cath-0336 Grey NDS Mini Channel with Stainless Steel Cathedral Grate

    3" Gray NDS Mini Channel Kit w/Cathedral 316L Stainless Steel HP Grates

    3" Gray NDS Mini Channel Kit w/Cathedral 316L Stainless Steel HP Grates

    Regular price From $306.44 USD
    Regular price Sale price From $306.44 USD
    Unit price /  per 
  • ULMA HYDRO PLUS Mini with 440 SS Perforated Grate Class A_1 Meter

    ULMA HYDROPLUS Mini with Stainless Steel Perforated Tread Grate (440 / IP100KCA) Class A

    Sale

    ULMA HYDROPLUS Mini with Stainless Steel Perforated Tread Grate (440 / IP100KCA) Class A

    Regular price From $155.29 USD
    Regular price $192.80 USD Sale price From $155.29 USD
    Unit price /  per 
    Sale
  • 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 Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-DK -GREY 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 
  • DA0542H Side

    TDS-POLYCAST DA0542H Hold-Down Device for 500 Series Galvanized Grates

    TDS-POLYCAST DA0542H Hold-Down Device for 500 Series Galvanized Grates

    Regular price $18.30 USD
    Regular price Sale price $18.30 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Interlaken Baked on Oil Finish grate

    ULMA U100KX w/ Iron Age Interlaken 5x20 Grate-BoOF

    Sale

    ULMA U100KX w/ Iron Age Interlaken 5x20 Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • DA0642S locking device grate hold down

    TDS-POLYCAST DA0642S Hold-Down Device for 600 Series Stainless Steel and HDPE Grates

    TDS-POLYCAST DA0642S Hold-Down Device for 600 Series Stainless Steel and HDPE Grates

    Regular price $5.90 USD
    Regular price Sale price $5.90 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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