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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
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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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    • Popular Manufacturers
      • TDS
      • Bronze Age
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      • Polylok
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      • 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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  • ZURN Z888-18 Hi-Cap Slotted Drain

    Zurn Z888-18 High Capacity Slot Drain

    Zurn Z888-18 High Capacity Slot Drain

    Regular price $1,112.80 USD
    Regular price Sale price $1,112.80 USD
    Unit price /  per 
  • POLYCAST with SS Edge and SS Wedge Wire Grate DG0655

    POLYCAST® 600 Series Kit w/ DG0655 Wedge Wire w/ Stainless Steel Edging - Load Class B

    POLYCAST® 600 Series Kit w/ DG0655 Wedge Wire w/ Stainless Steel Edging - Load Class B

    Regular price From $584.73 USD
    Regular price Sale price From $584.73 USD
    Unit price /  per 
  • LPK12-IA-LOC NDS Low Profile Catch Basin with Iron Age Locust Grates in Raw Cast Iron

    NDS 12" Low Profile Catch Basin Kit with Iron Age Locust Grate | Natural

    NDS 12" Low Profile Catch Basin Kit with Iron Age Locust Grate | Natural

    Regular price From $296.57 USD
    Regular price Sale price From $296.57 USD
    Unit price /  per 
  • Pro Series 5-NDS800

    NDS 800 Pro Series 5 Deep Profile Channel Drain

    NDS 800 Pro Series 5 Deep Profile Channel Drain

    Regular price $80.10 USD
    Regular price Sale price $80.10 USD
    Unit price /  per 
  • NDS 254 Galvanized Steel Slotted Grates

    NDS 254 Galvanized Slotted 4" x 24" Class B Grate

    NDS 254 Galvanized Slotted 4" x 24" Class B Grate

    Regular price $56.66 USD
    Regular price Sale price $56.66 USD
    Unit price /  per 
  • 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 
  • POLY600-XX-675

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675 Transverse Slotted HDPE Grate

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675 Transverse Slotted HDPE Grate

    Regular price From $315.12 USD
    Regular price Sale price From $315.12 USD
    Unit price /  per 
  • PCK6-DG0622-GE Galvanized Foam Perforated with Edging

    POLYCAST® 600 Series Kit w/DG0622 Perforated Galvanized Grate w/ Edging | Load Class A

    POLYCAST® 600 Series Kit w/DG0622 Perforated Galvanized Grate w/ Edging | Load Class A

    Regular price From $269.08 USD
    Regular price Sale price From $269.08 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 HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-DK-GREY HDPE HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • Zurn Z886 Drainage Kit w/ DGE Class E Ductile Iron Slotted Grate

    Zurn Z886 Drainage Kit w/ DGE Class E Ductile Iron Slotted Grate

    Zurn Z886 Drainage Kit w/ DGE Class E Ductile Iron Slotted Grate

    Regular price From $1,208.34 USD
    Regular price Sale price From $1,208.34 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 
  • POLYCAST 500 DG0640 Galvanized edge

    POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate and Edging

    POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate and Edging

    Regular price From $334.46 USD
    Regular price Sale price From $334.46 USD
    Unit price /  per 
  • HYDROPLUS - 438-SS Reinforced Wedge Wire Grate

    ULMA HYDROPLUS w/ (438) Stainless Steel Reinforced Wedge Wire Grate

    Sale

    ULMA HYDROPLUS w/ (438) Stainless Steel Reinforced Wedge Wire Grate

    Regular price From $555.63 USD
    Regular price $711.76 USD Sale price From $555.63 USD
    Unit price /  per 
    Sale
  • NDS 251 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BRICK RED

    NDS 251 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BRICK RED

    NDS 251 - Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BRICK RED

    Regular price $497.05 USD
    Regular price Sale price $497.05 USD
    Unit price /  per 
  • HYDROPLUS 5 inch Channel showing side outlet

    ULMA HYDROPLUS Channel 1M Section

    Sale

    ULMA HYDROPLUS Channel 1M Section

    Regular price $20.00 USD
    Regular price $20.00 USD Sale price $20.00 USD
    Unit price /  per 
    Sale
  • NDS-2371

    NDS 2371 Tee for NDS Spee-D® Channel - Gray Grate

    NDS 2371 Tee for NDS Spee-D® Channel - Gray Grate

    Regular price $113.92 USD
    Regular price Sale price $113.92 USD
    Unit price /  per 
  • IA-Dura-Slope-CI-grate-Interlaken-raw-6x24-TDSdrains

    Iron Age IA-INTER-0624 Class B Interlaken Cast Iron 6″ x 24″ Grate - RAW

    Iron Age IA-INTER-0624 Class B Interlaken Cast Iron 6″ x 24″ Grate - RAW

    Regular price $313.17 USD
    Regular price Sale price $313.17 USD
    Unit price /  per 
  • 4inch-dia-oblio-TDSdrains baked on oil finish round

    Iron Age IA-OBLIO-4D-HP-BF Class B Oblio Cast Iron 4" Dia. Grate - BoOF

    Iron Age IA-OBLIO-4D-HP-BF Class B Oblio Cast Iron 4" Dia. Grate - BoOF

    Regular price $77.22 USD
    Regular price Sale price $77.22 USD
    Unit price /  per 
  • IA-6in-round-Interlaken-BF-DK

    Iron Age IA-INTER-6D-HP-BF Class B Interlaken 6" Dia Grate – BoOF

    Iron Age IA-INTER-6D-HP-BF Class B Interlaken 6" Dia Grate – BoOF

    Regular price $150.15 USD
    Regular price Sale price $150.15 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Galvanized Edging

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Galvanized Edging

    Regular price From $368.97 USD
    Regular price Sale price From $368.97 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • POLY600-XX-647R

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate

    Regular price From $525.53 USD
    Regular price Sale price From $525.53 USD
    Unit price /  per 
  • Zurn Z884 with Cast Iron Slotted Grate

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Cast Iron Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Cast Iron Grate - Vandal Proof Locks

    Regular price From $430.94 USD
    Regular price Sale price From $430.94 USD
    Unit price /  per 
  • M100K-GN100KCA Galv Slotted Grate polymer concrete shallow galv edge ULMA channel

    ULMA M100K W/ Slotted Galvanized Steel Grate (1M)

    Sale

    ULMA M100K W/ Slotted Galvanized Steel Grate (1M)

    Regular price From $196.24 USD
    Regular price $246.05 USD Sale price From $196.24 USD
    Unit price /  per 
    Sale
  • POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    Regular price From $640.68 USD
    Regular price Sale price From $640.68 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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