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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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      • Fiberglass
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • All Load Classes
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      • TDS
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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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Products Blogs
  • 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 
  • 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 
  • 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 
  • 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
  • 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 
  • NDS Dura Slope channel with White perforated grate NDS671

    NDS® Dura Slope Kit with DS-671 Perforated Grate | White

    NDS® Dura Slope Kit with DS-671 Perforated Grate | White

    Regular price From $426.41 USD
    Regular price Sale price From $426.41 USD
    Unit price /  per 
  • Dura Slope with 609 BoOF Grates

    NDS® Dura Slope Kit with DS-609-BF Deco Slot Grate | Baked on Oil Finish

    NDS® Dura Slope Kit with DS-609-BF Deco Slot Grate | Baked on Oil Finish

    Regular price From $594.97 USD
    Regular price Sale price From $594.97 USD
    Unit price /  per 
  • NDS554S-Wave-Sand-Grate-TDS

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

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

    Regular price $37.30 USD
    Regular price Sale price $37.30 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 
  • Z886-DGC Zurn Z886 with DGC grate

    Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate & Bottom Outlet

    Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate & Bottom Outlet

    Regular price From $1,113.88 USD
    Regular price Sale price From $1,113.88 USD
    Unit price /  per 
  • 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 
  • NDS 543 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - BLACK

    NDS 543 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - BLACK

    NDS 543 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - BLACK

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • ULMA D100_0.9 Vinyl Ester FRP 486 Grate

    ULMA D100 Drain Channel w/486 Slotted Fiberglass Grate - Class B

    Sale

    ULMA D100 Drain Channel w/486 Slotted Fiberglass Grate - Class B

    Regular price From $433.98 USD
    Regular price $496.78 USD Sale price From $433.98 USD
    Unit price /  per 
    Sale
  • NDS-Dura-XX-602K-TDSdrains cast iron diamond grate HPDE channel NDS

    NDS® Dura Slope Kit with DS-602 Cast Iron Diamond Grate - RAW

    NDS® Dura Slope Kit with DS-602 Cast Iron Diamond Grate - RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • 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 
  • 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
  • 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 
  • ULMA D100-495

    ULMA D100 Drain Channel w/495 Gray Slotted Plastic Grate - Class A

    Sale

    ULMA D100 Drain Channel w/495 Gray Slotted Plastic Grate - Class A

    Regular price From $287.93 USD
    Regular price $309.00 USD Sale price From $287.93 USD
    Unit price /  per 
    Sale
  • NDS-Dura-XX-604-TDSdrains deco cast iron brick grate HPDE channel NDS

    NDS® Dura Slope Kit with DS-604 Cast Iron Brick Grate | RAW

    NDS® Dura Slope Kit with DS-604 Cast Iron Brick Grate | RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • NDS 555CI Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - RAW

    NDS 555CI Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - RAW

    NDS 555CI Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - RAW

    Regular price $78.76 USD
    Regular price Sale price $78.76 USD
    Unit price /  per 
  • NDS-Dura-XX-232 NDS Duraslope with a Ductile Iron Slotted grate

    NDS Dura Slope Kit with DS-232 Ductile Iron Grate - 6"

    NDS Dura Slope Kit with DS-232 Ductile Iron Grate - 6"

    Regular price From $475.22 USD
    Regular price Sale price From $475.22 USD
    Unit price /  per 
  • NDS Pro Series 5 Slotted Brick Red Grate NDS 818

    NDS 818 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - BRICK RED

    NDS 818 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - BRICK RED

    Regular price $39.03 USD
    Regular price Sale price $39.03 USD
    Unit price /  per 
  • ULMA U100KX Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

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

    Sale

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

    Regular price From $206.23 USD
    Regular price $240.15 USD Sale price From $206.23 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    ULMA D100 Drain Channel w/465 Slotted Ductile Iron Grate - Class B

    Sale

    ULMA D100 Drain Channel w/465 Slotted Ductile Iron Grate - Class B

    Regular price From $288.64 USD
    Regular price $309.92 USD Sale price From $288.64 USD
    Unit price /  per 
    Sale
  • NDS-Dura-Slope-221 galvanized steel grate dura slope channel

    NDS Dura Slope Kit with DS-221 Galvanized Slotted Grate

    NDS Dura Slope Kit with DS-221 Galvanized Slotted Grate

    Regular price From $450.06 USD
    Regular price Sale price From $450.06 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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