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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)
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
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      • 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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  • TDS-BARS-0312-A Aluminum Bronze Age Bars Grate

    Bronze Age™ BA-BARS-0312-A Bars Aluminum 3" x 12" Grate

    Bronze Age™ BA-BARS-0312-A Bars Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • NDS 555S - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

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

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

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA D100 Drain Channel w/402 Mesh Galvanized Grate - Class B

    Sale

    ULMA D100 Drain Channel w/402 Mesh Galvanized Grate - Class B

    Regular price From $310.24 USD
    Regular price $337.69 USD Sale price From $310.24 USD
    Unit price /  per 
    Sale
  • Stainless Steel Perforated 4"grate

    4" Perforated Stainless Steel Grates (1 Set of 4) DD20-002

    4" Perforated Stainless Steel Grates (1 Set of 4) DD20-002

    Regular price $989.16 USD
    Regular price Sale price $989.16 USD
    Unit price /  per 
  • BA-SLOT-0336 Stainless Steel Slot 3x36

    Bronze Age TDS-SLOT-0336-L Slotted 316L Stainless Steel 3″x36″ Grate Load Class B

    Bronze Age TDS-SLOT-0336-L Slotted 316L Stainless Steel 3″x36″ Grate Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • POLY600-xx-641D-TDSdrains ductile iron slotted grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0641D Slotted Ductile Iron Grate

    POLYCAST 600 Series Kit with DG0641D Slotted Ductile Iron Grate

    Regular price From $212.20 USD
    Regular price Sale price From $212.20 USD
    Unit price /  per 
  • NDS-Dura-XX-670 with Light Gray Plastic Perforated Grate

    NDS Dura Slope Kit with DS-670 Plastic Perforated Grate | Light Gray

    NDS Dura Slope Kit with DS-670 Plastic Perforated Grate | Light Gray

    Regular price From $419.00 USD
    Regular price Sale price From $419.00 USD
    Unit price /  per 
  • Natural Bronze Cathedral Grate with NDS Sand Mini Channel MCKS-TDS570

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Cathedral Grate - Natural

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Cathedral Grate - Natural

    Regular price From $471.47 USD
    Regular price Sale price From $471.47 USD
    Unit price /  per 
  • BA-PED-0312 Bronze Brushed Mini Channel Pedreda Grate with logo

    Bronze Age BA-PED-0312-B Class A Pedreda Bronze Brushed Finish 3" X 12" Grate

    Bronze Age BA-PED-0312-B Class A Pedreda Bronze Brushed Finish 3" X 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • NDS 555 - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - BLACK

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

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

    Regular price $596.76 USD
    Regular price Sale price $596.76 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0657 perforated grate

    SS600 Stainless Steel Drain Kit w/ DG0657 Perforated Stainless Steel Grate | Class B

    SS600 Stainless Steel Drain Kit w/ DG0657 Perforated Stainless Steel Grate | Class B

    Regular price From $901.28 USD
    Regular price Sale price From $901.28 USD
    Unit price /  per 
  • NDS500-BA-BARS-A Bronze Age Aluminum Bars Grate

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Bars Grate -Aluminum

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Bars Grate -Aluminum

    Regular price From $330.44 USD
    Regular price Sale price From $330.44 USD
    Unit price /  per 
  • ULMA 414 Class C Reinforced Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    ULMA 414 Class C Reinforced Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    Sale

    ULMA 414 Class C Reinforced Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    Regular price $93.27 USD
    Regular price $119.92 USD Sale price $93.27 USD
    Unit price /  per 
    Sale
  • NDS 554GY - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - GRAY

    NDS 554GY - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - GRAY

    NDS 554GY - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - GRAY

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • NDS Mini Channel - Grey

    NDS 500 Mini Channel 3" x 72" - GRAY

    NDS 500 Mini Channel 3" x 72" - GRAY

    Regular price $88.75 USD
    Regular price Sale price $88.75 USD
    Unit price /  per 
  • NDS2411 NDS black plastic slotted grate for 24x24" catch basins

    NDS 2411 Class B Slotted HDPE 24" x 24" Grate - BLACK

    NDS 2411 Class B Slotted HDPE 24" x 24" Grate - BLACK

    Regular price $578.65 USD
    Regular price Sale price $578.65 USD
    Unit price /  per 
  • NDS® Dura Slope Kit with DS-664 HDPE Slotted Grate | Sand

    NDS® Dura Slope Kit with DS-664 HDPE Slotted Grate | Sand

    NDS® Dura Slope Kit with DS-664 HDPE Slotted Grate | Sand

    Regular price From $419.00 USD
    Regular price Sale price From $419.00 USD
    Unit price /  per 
  • BA-SLOT-0312-A Bronze Age Aluminum Slotted Grate

    Bronze Age BA-SLOT-0312-A Class A Aluminum 3" x 12" Grate

    Bronze Age BA-SLOT-0312-A Class A Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • NDS 554S - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - SAND

    NDS 554S - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - SAND

    NDS 554S - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - SAND

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • NDS 9206 Slim Channel 2" x 72" Channel

    NDS 9206 Slim Channel 2" x 72" Channel

    NDS 9206 Slim Channel 2" x 72" Channel

    Regular price $43.10 USD
    Regular price Sale price $43.10 USD
    Unit price /  per 
  • NDS-253GR Green wave Spee-D

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

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

    Regular price $37.30 USD
    Regular price Sale price $37.30 USD
    Unit price /  per 
  • mini-channel-kit-alum-rain-drop-natural-1024x768

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Rain Drop Grate - Aluminum

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Rain Drop Grate - Aluminum

    Regular price From $330.44 USD
    Regular price Sale price From $330.44 USD
    Unit price /  per 
  • Dura Slope Channel

    Dura Slope 6" Drain Channel - by NDS®

    Dura Slope 6" Drain Channel - by NDS®

    Regular price $211.44 USD
    Regular price Sale price $211.44 USD
    Unit price /  per 
  • MCKS-TDS566-TDSdrains Sand Mini Channel with Aluminum Raindrop Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Rain Drop Grate - Aluminum

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Rain Drop Grate - Aluminum

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • RG-151224-AB

    RG-151224-AB Heavy Duty Ductile Iron Slotted 12″ x 24″ x 1.5″ Grate | TDS

    RG-151224-AB Heavy Duty Ductile Iron Slotted 12″ x 24″ x 1.5″ Grate | TDS

    Regular price $217.44 USD
    Regular price Sale price $217.44 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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