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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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      • Load Class A
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
      • Polycast
      • 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
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  • SS Bar grate DG0699 Polycast

    TDS DG0669 Class D Stainless Steel Bar 6" x 48" Grate for POLYCAST®

    TDS DG0669 Class D Stainless Steel Bar 6" x 48" Grate for POLYCAST®

    Regular price $1,132.40 USD
    Regular price Sale price $1,132.40 USD
    Unit price /  per 
  • ULMA D100 480

    ULMA D100 Drain Channel w/480 Slotted Ductile Iron Grate - Class C

    Sale

    ULMA D100 Drain Channel w/480 Slotted Ductile Iron Grate - Class C

    Regular price From $315.72 USD
    Regular price $344.73 USD Sale price From $315.72 USD
    Unit price /  per 
    Sale
  • 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 
  • NDS-Dura-XX-660-TDSdrains

    NDS® Dura Slope Kit with DS-660 HDPE Slotted Grate | White

    NDS® Dura Slope Kit with DS-660 HDPE Slotted Grate | White

    Regular price From $426.40 USD
    Regular price Sale price From $426.40 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 
  • grey wave mini channel NDS

    NDS 555GY Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    NDS 555GY Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    Regular price $37.30 USD
    Regular price Sale price $37.30 USD
    Unit price /  per 
  • Luna Aluminum Grate

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

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

    Regular price From $330.44 USD
    Regular price Sale price From $330.44 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 
  • NDS-Dura-DI-232-TDSdrains

    NDS® Dura Slope Kit with DS-232 Ductile Iron Grate and Frame

    NDS® Dura Slope Kit with DS-232 Ductile Iron Grate and Frame

    Regular price From $624.96 USD
    Regular price Sale price From $624.96 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
  • NDS-247-TDSdrains

    NDS 247 Channel End Cap for NDS® Spee-D Channel

    NDS 247 Channel End Cap for NDS® Spee-D Channel

    Regular price $8.73 USD
    Regular price Sale price $8.73 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 
  • ULMA D100-494

    ULMA D100 Drain Channel w/494 Slotted Plastic Grate - Class A

    Sale

    ULMA D100 Drain Channel w/494 Slotted Plastic Grate - Class A

    Regular price From $281.80 USD
    Regular price $301.12 USD Sale price From $281.80 USD
    Unit price /  per 
    Sale
  • 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 
  • 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® 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 
  • ULMA U100KX Kit

    ULMA U100KX Drain Channel with Stainless Steel Edging w/o Grate

    Sale

    ULMA U100KX Drain Channel with Stainless Steel Edging w/o Grate

    Regular price From $105.08 USD
    Regular price $135.10 USD Sale price From $105.08 USD
    Unit price /  per 
    Sale
  • NDS-253-TDSdrains

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

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

    Regular price $37.30 USD
    Regular price Sale price $37.30 USD
    Unit price /  per 
  • NDS554-black-botanical-grate-TDS

    NDS 554 Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

    NDS 554 Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

    Regular price $37.30 USD
    Regular price Sale price $37.30 USD
    Unit price /  per 
  • PCK6-DG0632-SE Stainless Steel Foam Perforated with Edging

    POLYCAST 600 Series Kit w/ Load Class A DG0632 Foam Perforated Stainless Steel Grates & Edging

    POLYCAST 600 Series Kit w/ Load Class A DG0632 Foam Perforated Stainless Steel Grates & Edging

    Regular price From $324.21 USD
    Regular price Sale price From $324.21 USD
    Unit price /  per 
  • NDS 554 - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

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

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

    Regular price $596.76 USD
    Regular price Sale price $596.76 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 
  • DG0900 Load Class F Ductile Iron Grate and Frame

    TDS DG0900 Class F H-20 Slotted Ductile Iron 6" x 16" Grate

    TDS DG0900 Class F H-20 Slotted Ductile Iron 6" x 16" Grate

    Regular price $81.00 USD
    Regular price Sale price $81.00 USD
    Unit price /  per 
  • ULMA D100-461

    ULMA D100 Drain Channel w/461D Slotted Ductile Iron Grate - Class E

    Sale

    ULMA D100 Drain Channel w/461D Slotted Ductile Iron Grate - Class E

    Regular price From $318.27 USD
    Regular price $348.01 USD Sale price From $318.27 USD
    Unit price /  per 
    Sale
  • POLY600-SS-647-DK stainless steel edge stainless steel slotted grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit with DG0647 Slotted Stainless Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0647 Slotted Stainless Grate & Stainless Edge

    Regular price From $444.68 USD
    Regular price Sale price From $444.68 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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