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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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      • Fiberglass
      • Plastic
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • 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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  • BA-SLOT-0336 Stainless Steel Slot 3x36

    Bronze Age™ TDS-SLOT-0312-L Slotted 316L Stainless Steel 3″x12″ Grate

    Bronze Age™ TDS-SLOT-0312-L Slotted 316L Stainless Steel 3″x12″ Grate

    Regular price $83.00 USD
    Regular price Sale price $83.00 USD
    Unit price /  per 
  • NDS 3" Gray Mini Channel Kit with TDS Bronze Age Bars Grate - Natural

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

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

    Regular price From $465.44 USD
    Regular price Sale price From $465.44 USD
    Unit price /  per 
  • NDS-864GMTL-Pro5 with Galvanized Slotted Grate

    NDS® Pro Series 5 Drain Kit w/Galv. Steel Grate

    NDS® Pro Series 5 Drain Kit w/Galv. Steel Grate

    Regular price $124.80 USD
    Regular price Sale price $124.80 USD
    Unit price /  per 
  • ULMA D100_424 galvanized reinforced grate

    ULMA D100 Drain Channel w/ TDS 424 Slotted Reinforced Galvanized Grate - Class C

    Sale

    ULMA D100 Drain Channel w/ TDS 424 Slotted Reinforced Galvanized Grate - Class C

    Regular price From $295.00 USD
    Regular price $318.10 USD Sale price From $295.00 USD
    Unit price /  per 
    Sale
  • NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • TDS Slotted Bronze Natural grate 0312

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

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

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • POLY600-xx-675D-TDsdrains cast iron transverse ada grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

    POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

    Regular price From $223.24 USD
    Regular price Sale price From $223.24 USD
    Unit price /  per 
  • Brushed Pedreda Sand Mini Channel

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Pedreda Grate - Brushed

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Pedreda Grate - Brushed

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • 9372 NDS Slim Channel Tee with Sand Slotted Grate

    NDS 9372 Slim Channel TEE with Slotted Grate - SAND

    NDS 9372 Slim Channel TEE with Slotted Grate - SAND

    Regular price $48.75 USD
    Regular price Sale price $48.75 USD
    Unit price /  per 
  • SS600 channel with Stainless Steel Wire Wedge Grate

    SS600 Stainless Steel Drain Kit w/ DG0655 Wedge Wire Stainless Steel Grate | Class B

    SS600 Stainless Steel Drain Kit w/ DG0655 Wedge Wire Stainless Steel Grate | Class B

    Regular price From $1,740.81 USD
    Regular price Sale price From $1,740.81 USD
    Unit price /  per 
  • SS600 Stainless Steel Drain Kit w/ DG0632 Perforated 304 Stainless Steel Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0632 Perforated 304 Stainless Steel Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0632 Perforated 304 Stainless Steel Grate | Class A

    Regular price From $1,463.89 USD
    Regular price Sale price From $1,463.89 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 
  • SS600 stainless steel channel with DG0644SP fiberglass grate

    SS600 Stainless Steel Drain Kit w/ FG0644SP Fiberglass Bar Grate | Class C

    SS600 Stainless Steel Drain Kit w/ FG0644SP Fiberglass Bar Grate | Class C

    Regular price From $1,552.89 USD
    Regular price Sale price From $1,552.89 USD
    Unit price /  per 
  • BA-SLOT-0312-BF TDS Bronze Age Slotted Ductile Iron Grate with BoOF

    Bronze Age™ BA-SLOT-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Bronze Age™ BA-SLOT-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Regular price $64.95 USD
    Regular price Sale price $64.95 USD
    Unit price /  per 
  • NDS1224GR NDS 12" Green Wave Catch Basin Grate

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

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

    Regular price $90.92 USD
    Regular price Sale price $90.92 USD
    Unit price /  per 
  • MCKS-TDS571-TDSdrains Sand Mini Channel with Aluminum Cathedral Grate

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

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

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • DS-221 Galanized Slotted

    NDS DS-221 Class B Slotted Galvanized 6" x 24" Grate

    NDS DS-221 Class B Slotted Galvanized 6" x 24" Grate

    Regular price $82.23 USD
    Regular price Sale price $82.23 USD
    Unit price /  per 
  • DG0670 black HDPE Slotted POLYCAST grate

    POLYCAST DG0670 Class A Slotted DuraGuard HDPE 6"x24" (Nominal Dimensions) Grate - Black

    POLYCAST DG0670 Class A Slotted DuraGuard HDPE 6"x24" (Nominal Dimensions) Grate - Black

    Regular price $42.69 USD
    Regular price Sale price $42.69 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 
  • SS600 stainless steel channel with DG0644 fiberglass grate

    SS600 Stainless Steel Drain Kit w/ FG0644 Fiberglass Bar Grate | Class B

    SS600 Stainless Steel Drain Kit w/ FG0644 Fiberglass Bar Grate | Class B

    Regular price From $3,820.46 USD
    Regular price Sale price From $3,820.46 USD
    Unit price /  per 
  • NDS833

    NDS® Pro Series 8 Deep Channel Drain Kit w/ Carbochon Grate BoOF

    NDS® Pro Series 8 Deep Channel Drain Kit w/ Carbochon Grate BoOF

    Regular price From $477.42 USD
    Regular price Sale price From $477.42 USD
    Unit price /  per 
  • NDS1224S_Wave_12_inch_Basin_DECO_Grate_-_Sand_1024x1024

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

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

    Regular price $85.87 USD
    Regular price Sale price $85.87 USD
    Unit price /  per 
  • NDS-Dura-XX-662-TDSdrains

    NDS® Dura Slope Kit with DS-662 HDPE Slotted Grate | Green

    NDS® Dura Slope Kit with DS-662 HDPE Slotted Grate | Green

    Regular price From $426.40 USD
    Regular price Sale price From $426.40 USD
    Unit price /  per 
  • 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 
  • NDS-mini-554GYKit-TDSdrains

    NDS 3" Gray Mini Channel Kit with NDS Botanical Grate - Gray

    NDS 3" Gray Mini Channel Kit with NDS Botanical Grate - Gray

    Regular price From $94.73 USD
    Regular price Sale price From $94.73 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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