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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
      • Plastic
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      • 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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      • TDS
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      • 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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  • 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 
  • U1KX-IA-QUE-HP

    ULMA U100KX Drain Channel w/ Iron Age Que Grate-RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Que Grate-RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • Dura Slope with 603 grate with baked on oil finish

    NDS® Dura Slope Kit with DS-603-BF Cast Iron Tile Grate - BoOF

    NDS® Dura Slope Kit with DS-603-BF Cast Iron Tile Grate - BoOF

    Regular price From $594.97 USD
    Regular price Sale price From $594.97 USD
    Unit price /  per 
  • POLYCAST with SS Edge and SS Wedge Wire Grate DG0655

    POLYCAST® 600 Vinyl Ester Series Kit with DG0655 Stainless Wedge Wire Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0655 Stainless Wedge Wire Grate & Edge

    Regular price From $459.00 USD
    Regular price Sale price From $459.00 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 
  • 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 
  • FG1247R Stainless Steel Bar Grate for FP1200

    TDS DG1247R Class C BAR Stainless Steel 14" x 24" x 1.5" Grate

    TDS DG1247R Class C BAR Stainless Steel 14" x 24" x 1.5" Grate

    Regular price $1,350.00 USD
    Regular price Sale price $1,350.00 USD
    Unit price /  per 
  • DSK-IA-INTER NDS Duraslope with Iron Age Interlaken grate

    NDS Dura Slope Kit w/Iron Age Interlaken Grate - RAW

    NDS Dura Slope Kit w/Iron Age Interlaken Grate - RAW

    Regular price From $911.95 USD
    Regular price Sale price From $911.95 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Regular Joe grate

    ULMA U100KX Drain Channel w/ Iron Age Regular Joe Grate - RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Regular Joe Grate - RAW

    Regular price From $719.51 USD
    Regular price $815.39 USD Sale price From $719.51 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 
  • ULMA D100 with 410 perforated stainless steel grate

    ULMA D100 Drain Channel w/410 Perforated w/Tread Galvanized Grate - Class A

    Sale

    ULMA D100 Drain Channel w/410 Perforated w/Tread Galvanized Grate - Class A

    Regular price From $249.86 USD
    Regular price $262.54 USD Sale price From $249.86 USD
    Unit price /  per 
    Sale
  • NDS 555GY - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

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

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

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • Slotted 609 grates in Dura Slope

    NDS® Dura Slope Kit with DS-609 Deco Slot Grate | RAW

    NDS® Dura Slope Kit with DS-609 Deco Slot Grate | RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Slotted Grate - Vandal Proof Locks

    Regular price From $367.00 USD
    Regular price Sale price From $367.00 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 
  • POLYCAST with SS Wedge Wire Grate 0655

    POLYCAST® 600 Vinyl Ester Series Kit with DG0655 Stainless Wedge Wire Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0655 Stainless Wedge Wire Grate

    Regular price From $354.66 USD
    Regular price Sale price From $354.66 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $799.40 USD
    Regular price Sale price From $799.40 USD
    Unit price /  per 
  • 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 
  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Class A Grates

    Regular price From $316.38 USD
    Regular price Sale price From $316.38 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Locust grate

    ULMA U100KX Drain Channel w/ Iron Age Locust Grate-RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Locust Grate-RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • U100KX-438 ULMA Channel with Reinforced 438 Wedge Wire Grate

    ULMA U100KX Kit w/ 438 Reinforced Stainless Steel Wedge Wire Grate (316L)

    Sale

    ULMA U100KX Kit w/ 438 Reinforced Stainless Steel Wedge Wire Grate (316L)

    Regular price From $410.49 USD
    Regular price $517.77 USD Sale price From $410.49 USD
    Unit price /  per 
    Sale
  • PCK5-DG0647 POLYCAST 500 Series with DG0647 Stainless Steel Grates

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    Regular price From $359.91 USD
    Regular price Sale price From $359.91 USD
    Unit price /  per 
  • POLY700-PE-647R

    POLYCAST® 700 Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    POLYCAST® 700 Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    Regular price From $564.21 USD
    Regular price Sale price From $564.21 USD
    Unit price /  per 
  • Zurn_Z884_HDPE_Plastic_Grate_4_x_20-Dark_Gray Z884 drain kit with Dark gray slotted grate

    ZURN Z884 Drainage Kit w/ P4-HPP-DK-GREY HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-DK-GREY HDPE Slotted Grate - Vandal Proof Locks

    Regular price From $367.00 USD
    Regular price Sale price From $367.00 USD
    Unit price /  per 
  • Zurn Z886 Drainage Kit w/ DGE Ductile Iron Slotted Grate w/Frame

    Zurn Z886 Drainage Kit w/ DGE Ductile Iron Slotted Grate w/Frame

    Zurn Z886 Drainage Kit w/ DGE Ductile Iron Slotted Grate w/Frame

    Regular price From $1,571.19 USD
    Regular price Sale price From $1,571.19 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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