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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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      • Bronze Age
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      • Zurn
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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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  • NDS920B

    NDS® 920B Square 6" Satin Brass Grate with 3" Bottom Styrene Adapter

    NDS® 920B Square 6" Satin Brass Grate with 3" Bottom Styrene Adapter

    Regular price $247.93 USD
    Regular price Sale price $247.93 USD
    Unit price /  per 
  • NDS 555GR - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GREEN

    NDS 555GR - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GREEN

    NDS 555GR - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GREEN

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • MMG-SS-SLOT MAX Mini kit with gray channel and stainless steel grate

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

    TDS™ 3" Gray MAX Mini w/Slotted 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 
  • P6-SBG ZURN_Class E Stainless Steel Slotted Grate

    ZURN P6-SBG Class E Bar Stainless Steel 6" x 20" Grate

    ZURN P6-SBG Class E Bar Stainless Steel 6" x 20" Grate

    Regular price $747.20 USD
    Regular price Sale price $747.20 USD
    Unit price /  per 
  • New Image Coming Soon

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - VP Locks & Bottom Outlet - Stainless Frame

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - VP Locks & Bottom Outlet - Stainless Frame

    Regular price From $850.02 USD
    Regular price Sale price From $850.02 USD
    Unit price /  per 
  • IA-CARB-0312 Iron Age Carbochon

    Iron Age IA-CARB-0314 Class B Carbochon Cast Iron 3" x 14" Grate – RAW

    Sale

    Iron Age IA-CARB-0314 Class B Carbochon Cast Iron 3" x 14" Grate – RAW

    Regular price $88.66 USD
    Regular price $88.66 USD Sale price $88.66 USD
    Unit price /  per 
    Sale
  • 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
  • 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 
  • nds816-black-grate Pro Series 5

    NDS 816 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - BLACK

    NDS 816 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - BLACK

    Regular price $39.03 USD
    Regular price Sale price $39.03 USD
    Unit price /  per 
  • DA0663 Stainless Steel Strainer(3)

    TDS DA0663 Stainless Steel Strainer Outlet 4-inch

    TDS DA0663 Stainless Steel Strainer Outlet 4-inch

    Regular price $22.50 USD
    Regular price Sale price $22.50 USD
    Unit price /  per 
  • POLYCST 600 - DG0633 SS SQUARE DECO grate

    POLYCAST® 600 Series Kit w/ DG0633 Square Deco Perforated Class A Stainless Steel Grate

    POLYCAST® 600 Series Kit w/ DG0633 Square Deco Perforated Class A Stainless Steel Grate

    Regular price From $284.89 USD
    Regular price Sale price From $284.89 USD
    Unit price /  per 
  • NDS1224_Wave_12_inch_Basin_DECO_Grate_-_Black_1024x1024

    NDS 1224 Class B ADA Compliant Wave HDPE 12" x 12" Grate -BLACK

    NDS 1224 Class B ADA Compliant Wave HDPE 12" x 12" Grate -BLACK

    Regular price $92.53 USD
    Regular price Sale price $92.53 USD
    Unit price /  per 
  • nds836 Pro Series plastic pedestrian slotted grate

    NDS 836 Class A Slotted Pedestrian Polyolefin 8" x 24" Grate

    NDS 836 Class A Slotted Pedestrian Polyolefin 8" x 24" Grate

    Regular price $110.76 USD
    Regular price Sale price $110.76 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA D100 Drain Channel w/497 Black Mesh Plastic Grate - Class B

    Sale

    ULMA D100 Drain Channel w/497 Black Mesh Plastic Grate - Class B

    Regular price From $300.12 USD
    Regular price $324.68 USD Sale price From $300.12 USD
    Unit price /  per 
    Sale
  • 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-DG0442-galv-steel-grate-4ft-TDSdrains

    POLYCAST DG0442 Class A Slotted Galvanized 5" x 48" Grate

    POLYCAST DG0442 Class A Slotted Galvanized 5" x 48" Grate

    Regular price $89.26 USD
    Regular price Sale price $89.26 USD
    Unit price /  per 
  • Iron 18 x 18 decorative grate

    Iron Age IA-INTER-CB18-BF Class B Interlaken Cast Iron 18" x 18" Grate - BoOF

    Iron Age IA-INTER-CB18-BF Class B Interlaken Cast Iron 18" x 18" Grate - BoOF

    Regular price $717.86 USD
    Regular price Sale price $717.86 USD
    Unit price /  per 
  • New Image Coming Soon

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

    Sale

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

    Regular price From $206.23 USD
    Regular price $240.15 USD Sale price From $206.23 USD
    Unit price /  per 
    Sale
  • NDS-Dura-XX-664-TDSdrains sand slotted

    NDS DS-664 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - SAND

    NDS DS-664 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - SAND

    Regular price $66.70 USD
    Regular price Sale price $66.70 USD
    Unit price /  per 
  • IA-6in-round-Interlaken-BF-DK

    Iron Age IA-INTER-6D-HP-BF Class B Interlaken 6" Dia Grate – BoOF

    Iron Age IA-INTER-6D-HP-BF Class B Interlaken 6" Dia Grate – BoOF

    Regular price $150.15 USD
    Regular price Sale price $150.15 USD
    Unit price /  per 
  • NDS970-9inch-grate-blk

    NDS 970 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - BLACK

    NDS 970 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - BLACK

    Regular price $27.75 USD
    Regular price Sale price $27.75 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
  • POLY700-PE-641D

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0641D Slotted Ductile Iron Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0641D Slotted Ductile Iron Grate & HDPE Frame

    Regular price From $617.38 USD
    Regular price Sale price From $617.38 USD
    Unit price /  per 
  • NDS1224GY Wave HDPE

    NDS 1224GY Class B ADA Compliant Wave HDPE 12" x 12" Grate - GRAY

    NDS 1224GY Class B ADA Compliant Wave HDPE 12" x 12" Grate - GRAY

    Regular price $85.87 USD
    Regular price Sale price $85.87 USD
    Unit price /  per 
  • ULMA U100KX with Stainless Steel Edge and Stainless Steel Slotted Grate

    ULMA U100KX w/ Stainless Steel Slotted Grate (450)

    Sale

    ULMA U100KX w/ Stainless Steel Slotted Grate (450)

    Regular price From $464.65 USD
    Regular price $587.41 USD Sale price From $464.65 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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